Chemistry Trivia

484+ Best Chemistry Trivia Questions & Answers

Mike Oberman

Updated: August 8th, 2023

Boost your chemistry knowledge with these fun and challenging chemistry trivia questions. From elements to reactions, put your scientific savvy to the test and see how well you know the world of chemistry!

Chemistry History and Basic Concepts Trivia

Question: The study of the composition, properties, and behavior of matter is called what?

Answer: Chemistry

Question: Three of these chemicals are gaseous at room temperature, which is the odd one out?

Answer: Mercury

Question: Three of these materials are solid at room temperature, which is the odd one out?

Answer: Carbon dioxide

Question: The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of?

Answer: The Periodic Table

Question: The National Chemical Laboratory is situated in?

Answer: Pune

Question: When was the element bohrium discovered?

Answer: 1976

Question: When was the element dubnium discovered?

Answer: 1970

Question: When was the element hassium discovered?

Answer: 1984

Question: When was the element rutherfordium discovered?

Answer: 1969

Question: When was the element ununbium discovered?

Answer: 1996

Question: Which chemical element is named after the formulator of the Theory of Relativity?

Answer: Einsteinium

Question: In chemistry, what is the opposite of 'dilute'?

Answer: Concentrate

Question: In chemistry, substances known as salts always contain what?

Answer: A metal

Question: In chemistry, the change of state called 'sublimation' happens between which of these?

Answer: Solid and gas

Question: In chemistry, the conversion of a liquid to a vapor below its boiling point is called what?

Answer: Evaporation

Question: In chemistry, the science of 'kinetics' studies the rate of what?

Answer: Chemical reaction

Question: In chemistry, what is another term for a common or non-systematic name given to a substance or group of substances?

Answer: Trivial name

Question: In chemistry, what name is given to a positively charged ion?

Answer: Cation

Question: In chemistry, what name is given to a substance which forms a caustic or corrosive solution in water?

Answer: Alkali

Question: In chemistry, what name is given to the smallest particle of a substance that can exist on its own?

Answer: Molecule

Question: In chemistry, which metal is indicated by a flame test producing a lilac flame?

Answer: Potassium

Question: In chemistry, which of these pairs are two words for the same thing?

Answer: Base and alkali

Question: K is the chemical symbol for potassium derived from its Latin name which is...?

Answer: Kalium

Question: Limestone heated with clay forms what substance?

Answer: Cement

Question: Limestone is mostly made of what?

Answer: Calcium carbonate

Question: Magma, spewed out in volcanic eruptions during the Earth's early life and solidified into hard rocks called?

Answer: Igneous Rocks

Question: What ancient piece of linen did scientists examine for 120 hours in 1978?

Answer: Shroud of Turin

Question: Spectroscopy is a branch of chemistry concerning what?

Answer: Electromagnetic Radiation

Question: Who attempted to arrange the elements using the octave as a basis in 1864?

Answer: John Newlands

Question: Who is famous for his work on the periodic table?

Answer: Dmitri Mendeleev

Question: Marie Curie discovered which element, represented by Po on the Periodic Table?

Answer: Polonium

Question: Man first used which metal?

Answer: Copper

Chemistry and Compounds Trivia

Question: A Hydronium ion is?

Answer: H3O+

Question: A material which can be deformed permanently by heat and pressure is called a?

Answer: Thermoplastic

Question: A suspension of which compound in water forms Milk of Magnesia?

Answer: Magnesium Hydroxide

Question: An 'alloy' is a mixture of what?

Answer: Metals

Question: An acid is a substance that produces?

Answer: Hydrogen Ions In Water

Question: An example of a strong acid is?

Answer: Hydrochloric Acid

Question: Asbestos, feldspar, and clay are all examples of which type of mineral?

Answer: Silicate

Question: By which name is the chemical with the formula D2O better known?

Answer: Heavy water

Question: CH4 is the chemical symbol for which gas?

Answer: Methane

Question: Chemically a cyanide is a compound that contains which two elements triple bonded together?

Answer: Carbon and nitrogen

Question: Molecules are made up of?

Answer: Atoms

Question: Photosynthesis is a chemical process through which plants produce?

Answer: Glucose

Question: Copper and tin mix to create which alloy?

Answer: Bronze

Question: CuSO4 is the chemical formula for the blue/green crystals of which compound?

Answer: Copper sulphate

Question: Dry Ice is the solid form of which gas?

Answer: Carbon Dioxide

Question: Fullerene is an allotrope of which element?

Answer: Carbon

Question: How is Sodium Hypochlorite more commonly known?

Answer: Bleach

Chemical Elements Trivia

Question: A 'buckyball' is an allotrope of which element?

Answer: Carbon

Question: Alpha particles are the nuclei of which chemical element's atoms?

Answer: Helium

Question: At what number in the Periodic Table would you find Einsteinium?

Answer: 99

Question: Au is the chemical symbol for what?

Answer: Gold

Question: C is the symbol of which chemical element?

Answer: Carbon

Question: Chlorine, bromine, and iodine are members of which group of chemical elements?

Answer: Halogens

Question: Fe is the chemical symbol for what?

Answer: Iron

Question: Fe is the symbol of which chemical element?

Answer: Iron

Question: Gadolinium (Gd) is named after which chemist?

Answer: Johan Gadolin

Question: Helium came from the Greek word 'Helios' meaning what?

Answer: Sun

Question: N is the symbol of which chemical element?

Answer: Nitrogen

Question: Pb is the symbol of which chemical element?

Answer: Lead

Question: S is the symbol of which chemical element?

Answer: Sulphur

Question: Which element in the Periodic Table has the lowest atomic weight?

Answer: Hydrogen

Question: Which element is found in bones, shells and teeth?

Answer: Calcium

Question: Which element is named after the Greek word for 'green'?

Answer: Chlorine

Question: Which element is present in all organic compounds?

Answer: Carbon

Question: Which element is the only one in diamond and graphite?

Answer: Carbon

Question: Which elements make up sugars such as lactose and glucose?

Answer: Carbon hydrogen oxygen

Question: Which is the only d-block lanthanide?

Answer: Lutetium

Question: Which is the only metal that is in liquid form at room temperature?

Answer: Mercury

Chemical Elements and Symbols Trivia

Question: The element symbol for potassium is?

Answer: K

Question: Which chemical element has the symbol 'K'?

Answer: Potassium

Question: Which chemical element has the symbol Mn?

Answer: Manganese

Question: Which chemical element has the symbol Pu?

Answer: Plutonium

Question: Which chemical element has the symbol Ra?

Answer: Radium

Question: What is Hg the chemical symbol for?

Answer: Mercury

Question: What is the chemical symbol for Americium?

Answer: Am

Question: What is the chemical symbol for Bromine?

Answer: Br

Question: What is the chemical symbol for carbon?

Answer: C

Question: What is the chemical symbol for Cobalt?

Answer: Co

Question: W is the chemical symbol for which metal?

Answer: Tungsten

Question: What chemical element has the symbol Pb?

Answer: Lead

Question: What chemical element has the symbol Sn?

Answer: Tin

Question: What is the chemical symbol for Dubnium?

Answer: Db

Question: What is the chemical symbol for Fermium?

Answer: Fm

Question: What is the chemical symbol for Gallium?

Answer: Ga

Question: What is the chemical symbol for Iodine?

Answer: I

Question: What is the chemical symbol for Lawrencium?

Answer: Lr

Question: What is the chemical symbol for lead?

Answer: Pb

Question: What is the chemical symbol for Magnesium?

Answer: Mg

Question: What is the chemical symbol for Mercury?

Answer: Hg

Question: What is the chemical symbol for Platinum?

Answer: Pt

Question: What is the chemical symbol for sodium?

Answer: Na

Question: What is the chemical symbol for titanium?

Answer: Ti

Question: What is the chemical symbol for uranium?

Answer: U

Question: What metal has the chemical symbol Pb?

Answer: Lead

Question: What is the second element in the periodic table?

Answer: Helium

Question: What is the second most abundant element in the Universe?

Answer: Helium

Question: What is the atomic mass of hydrogen?

Answer: 1

Question: What is the atomic mass of oxygen?

Answer: 16

Question: What is the atomic number for magnesium?

Answer: 12

Question: What is the atomic number of iodine?

Answer: 53

Chemical Elements and their Properties Trivia

Question: Which chemical element is named after the inventor of dynamite?

Answer: Nobelium

Question: Which chemical element is present in pure alcohol but not in water?

Answer: Carbon

Question: Which chemical element is the main constituent of photographic emulsions?

Answer: Silver

Question: Which chemical element is the main source of nuclear energy?

Answer: Uranium

Question: Which chemical element takes its name from the Greek word for the sun?

Answer: Helium

Question: Which element has a melting point of 327 degrees C?

Answer: Lead

Question: Which element has a relative atomic mass of 1?

Answer: Hydrogen

Question: Which element has the atomic number 1?

Answer: Hydrogen

Question: Which element has the atomic number 21?

Answer: Scandium

Question: Which element has the atomic number 31?

Answer: Gallium

Question: Which element has the chemical symbol Ba?

Answer: Barium

Question: Which element has the chemical symbol Br?

Answer: Bromine

Question: Which element has the chemical symbol Hg?

Answer: Mercury

Question: Which element has the chemical symbol Ni?

Answer: Nickel

Question: Which element has the chemical symbol Ti?

Answer: Thallium

Question: Which element has the highest melting point known?

Answer: Carbon

Question: Which element has the lowest freezing point of all substances?

Answer: Helium

Question: The most electropositive element among the following is?

Answer: Caesium

Question: The two main metals in the earth's core are nickel and what?

Answer: Iron

Question: U is the symbol of which chemical element?

Answer: Uranium

Question: Used in baking, which of these chemical elements is NOT found in bicarbonate of soda?

Answer: Nitrogen

Properties of Chemical Elements Trivia

Question: How many atoms each of carbon and hydrogen make up a benzene ring?

Answer: 6

Question: How many chemical elements are there in the group known as the lanthanides?

Answer: 15

Question: How many chemical elements begin with the letter Z?

Answer: 2

Question: How many different elements are there in CH3COOH?

Answer: 3

Question: How many different elements occur naturally?

Answer: 92

Question: How many electrons does carbon have in its outer shell?

Answer: 4

Question: How many electrons in a Hydrogen (H) atom?

Answer: 1

Question: How many natural noble gases are there?

Answer: 6

Question: If an element's name ends in '-ate' as in 'calcium carbonate,' which element does it contain?

Answer: Oxygen

Question: In an element, the number of protons is equal to the number of what?

Answer: Electrons

Question: In chemistry, protons, neutrons, and electrons basically make up which sort of elements?

Answer: All of them

Question: What is the fourth most abundant element in the universe in terms of mass?

Answer: Carbon

Question: What is the highest atomically numbered element in the lanthanide group?

Answer: Lutetium

Question: What is the main constituent of limestone?

Answer: Calcium carbonate

Question: What is the main use of the chemical ammonia?

Answer: Fertilizer

Question: What is the most common metal found on Earth?

Answer: Iron

Question: What is the most common use of Uranium?

Answer: Nuclear Energy

Question: What is the opposite of alkaline?

Answer: Acid

Question: What is the missing form of radioactivity, Alpha, Beta and …?

Answer: Gamma

Question: Which element comes between Mendelevium and Lawrencium in the Periodic Table?

Answer: Nobelium

Question: Which element doesn't concern people studying inorganic chemistry?

Answer: Carbon

Question: Which element gets its chemical symbol from hydragyrum, its former name meaning 'watery liquid'?

Answer: Mercury

Question: Why can gold be found in the Earth's crust in its native state?

Answer: It's unreactive

Question: Why can polymers be difficult to dispose of?

Answer: Don't break down

Question: Why is PVC a better material for window frames than wood?

Answer: More Durable

Question: Why is titanium expensive to extract from its ore?

Answer: Many stages

Question: Why is tungsten a good metal for electric light bulb filaments?

Answer: High melting point

Chemical Properties and Definitions Trivia

Question: What is the ratio of hydrogen to nitrogen atoms in ammonia?

Answer: 3 to 1

Question: What is the ratio of hydrogen to sulphur to oxygen atoms in sulphuric acid?

Answer: 2:01

Question: What more common name is given to 'electropositive' chemical elements?

Answer: Metals

Question: What must an element readily gain or lose in order to be classed as 'reactive'?

Answer: Electrons

Question: What name is given to a solid when it is being dissolved in a liquid?

Answer: Solute

Question: What name is given to a substance which reacts with an acid to form a salt plus water?

Answer: Base

Question: What name is given to an atom or group of atoms that carry an electrical charge?

Answer: Ion

Question: What name is given to any substance which cannot be broken down any further by chemical methods?

Answer: Element

Question: What name is given to atoms of the same element that have different atomic weights?

Answer: Isotopes

Question: What name is given to horizontal rows of elements in the Period Table?

Answer: Periods

Question: What name is given to the different levels of electrons that are found around an atomic nucleus?

Answer: Shells

Question: What name is given to vertical columns of elements in the Period Table?

Answer: Groups

Question: What color flame do copper compounds burn with?

Answer: Bluish green

Question: What color flame do sodium compounds burn with?

Answer: Yellow

Question: What color is the mineral cobalt?

Answer: Silver-grey

Question: What color is the powder lead carbonate?

Answer: White

Question: What color vapor does iodine give off when heated?

Answer: Purple

Question: What element is responsible for an 'eggy' smell?

Answer: Sulfur

Question: What in particular is it that gives fireworks their myriad of colors?

Answer: Metallic compounds

Chemical Compounds Trivia

Question: Which chemical is also known as grape sugar or blood sugar?

Answer: Glucose

Question: Which colorless liquid is found in all living matter?

Answer: Water

Question: Which colorless, odourless light gas is used to lift airships?

Answer: Helium

Question: Which compound has the chemical formula H2O?

Answer: Water

Question: Which crystalline hydrocarbon is used to make mothballs?

Answer: Naphthalene

Question: What paper is used to test acid and alkali?

Answer: Litmus

Question: What substance has the chemical formula NH3?

Answer: Ammonia

Question: What was the first synthetic fiber?

Answer: Rayon

Question: What's the name of the dye that is used in chemistry to test the acidity of a substance?

Answer: Litmus

Question: What is an extremely poisonous oily liquid alkaloid that turns brown on exposure to air?

Answer: Nicotine

Question: What is calcium sulphate more commonly known as?

Answer: Plaster of Paris

Question: What is common table salt made of?

Answer: Sodium chloride

Question: What is H2O more commonly known as?

Answer: Water

Question: What is it called when a solid changes directly into a gas?

Answer: Sublimation

Question: What is mayonnaise an example of?

Answer: An emulsion

Question: What is NaCl the chemical formula of?

Answer: Sodium Chloride

Question: What is the chemical equation for calcium carbonate?

Answer: CaCO3

Question: What is the common British name for zinc carbonate?

Answer: Calamine

Question: What is the common name for the compound Hydrogen Hydroxide?

Answer: Water

Question: What is the common name for the compound with the chemical formula K2CO3?

Answer: Potash

Question: What is the common name for the compound with the chemical formula NaHCO3?

Answer: Baking soda

Question: What is the more common name for sodium hydroxide?

Answer: Caustic Soda

Chemical Compounds and Substances Trivia

Question: How many carats are there in chemically pure gold?

Answer: 24

Question: Hydrochloric acid is a solution of which gas?

Answer: Hydrogen chloride

Question: In 2009, 13 years after it was first discovered, what name was given to chemical element 112 in the Periodic Table?

Answer: Copernicium

Question: In chemistry what does a Bu group indicate?

Answer: Butane

Question: The chemical substance sometimes referred to as the 'universal solvent' is?

Answer: Water

Question: The gas used in the manufacture of vanaspati from vegetable oil is?

Answer: Hydrogen

Question: The major constituent of air is which gas?

Answer: Nitrogen

Question: The mineral containing both magnesium and calcium is?

Answer: Dolomite

Question: The molecule which has the highest percentage of ionic character among the following is?

Answer: Hafnium

Question: Water is made up of hydrogen and what else?

Answer: Oxygen

Question: What are chemicals containing a benzene ring often known as?

Answer: Aromatics

Question: What do we call the compounds that contain only carbon and hydrogen atoms?

Answer: Hydrocarbons

Question: The most abundant protein in the human body is?

Answer: Collagen

Question: The most abundant rare gas in the atmosphere is?

Answer: Argon

Question: The most commonly used bleaching agent is?

Answer: Chlorine

Question: The most extensive, commercially useful source of thorium as monazite sand occurs in India at?

Answer: Travancore Coast

Question: The most important ore of aluminium is?

Answer: Bauxite

Question: The oil used in the froth flotation process is?

Answer: Pine Oil

Question: The products of complete combustion of a hydrocarbon are carbon dioxide and what?

Answer: Water

Question: The solid state of water is known as what?

Answer: Ice

Question: The vulcanization of rubber is known as what?

Answer: Thermoset

Question: To what temperature, in degrees Celsius, would you have to heat a diamond before it melted?

Answer: 3,700

Chemical Reactions and Decomposition Trivia

Question: Copper can be extracted from ores by a process known as what?

Answer: Smelting

Question: Copper is often useful because it does not react with what?

Answer: Water

Question: How can calcium carbonate be decomposed?

Answer: Heat

Question: How do you produce calcium oxide from calcium carbonate?

Answer: Heat it

Question: How many forms of radioactivity are there?

Answer: 3

Question: If a substance has a pH of 13, what is it?

Answer: Very alkali

Question: If a substance has a pH of 6, what is it?

Answer: Slightly acidic

Question: If a substance is described as anhydrous, what does this mean?

Answer: It does not contain water

Question: If a substance is weakly acidic, what color will it turn universal indicator?

Answer: Yellow

Question: If iodine is dropped on food that contains starch, what color does it turn?

Answer: Dark blue

Question: If liquid Nitrogen (H2) was poured out at room temperature, it would?

Answer: Evaporate

Question: In a reaction known as a 'reduction,' what has been removed from one chemical by another?

Answer: Oxygen

Question: In chemical reactions, what name is given to the addition of hydrogen to an element or compound?

Answer: Reduction

Question: In comparison with steel, what is pure iron like?

Answer: Softer

Question: In degrees Celsius, at what temperature does the sea start to freeze?

Answer: -1.9

Question: In terms of nuclear decay, what is the half-life of Strontium-90?

Answer: 9 minutes

Question: Incomplete combustion can produce black particles of what?

Answer: Carbon

Question: Milk is which of the following?

Answer: Slightly Acidic

Question: Misch metal' a substance that ignites when scratched are widely used in what?

Answer: Cigarette lighters

Question: Water freezes at what temperature?

Answer: 0 degrees

Question: What happens to iron oxide in a blast furnace?

Answer: Reduced

Question: What happens to layers of metal ions when the metal is bent?

Answer: Slide over each other

Question: What basically is an 'alloy,' a combination of?

Answer: Two or more metals

Question: What does a catalyst do to a reaction?

Answer: Speed it up

Question: What does an ionic bond involve in terms of electrons?

Answer: Transferring

Question: What gas is given off by pouring dilute euphoric acid on to granulated zinc?

Answer: Hydrogen

Question: What gas makes people who breathe it talk with squeaky voices?

Answer: Helium’

Chemical Reactions and Properties Trivia

Question: What type of molecule is C2H2?

Answer: Alkene

Question: What type of molecule is CH3OH?

Answer: Alcohol

Question: What type of structure is silicon dioxide?

Answer: Giant covalent

Question: What type of substances do we get from substances called 'ores'?

Answer: Metals

Question: Which is an example of a chemical reaction?

Answer: Nails rusting

Question: Which is an example of a crystal lattice?

Answer: Diamond

Question: Which is most dense?

Answer: Solids

Question: Which is the compound in lodestone that makes it magnetic?

Answer: Iron oxide

Question: Which acid gives the common stinging nettle its sting?

Answer: Formic

Question: Which acid has the formula HNO3?

Answer: Nitric

Question: Which chemical element is always required for combustion to take place?

Answer: Oxygen

Question: Which chemical element is found in all proteins?

Answer: Nitrogen

Question: Steel is a mixture of iron with what else?

Answer: Carbon

Question: Steel is a what?

Answer: Alloy

Question: Substances initially involved in a chemical reaction are known as what?

Answer: Reactants

Question: The change in a substance from a liquid to a solid state is called what?

Answer: Freezing

Question: The metallurgical process in which a metal is obtained in a fused state is called?

Answer: Smelting

Question: The method that cannot be used for removing permanent hardness of water is?

Answer: Boiling

Chemical Processes and Reactions Trivia

Question: What industrial chemical is made by the Haber-Bosch process?

Answer: Ammonia

Question: What is dry ice made from?

Answer: Liquid nitrogen

Question: What is formed when ethene reacts with steam?

Answer: Ethanol

Question: What is produced in the Haber-Bosch process?

Answer: Ammonia

Question: What is the process called when some molecules of water turn into gas?

Answer: Evaporation

Question: What molecules do we breathe out?

Answer: Carbon dioxide

Question: Metals can be extracted using which of these processes?

Answer: Electrolysis

Question: Which process allows large hydrocarbons to be broken down into smaller hydrocarbons?

Answer: Cracking

Question: Which process describes a solid converting to a gas without passing through a liquid state?

Answer: Sublimation

Question: Which pungent gas has the chemical formula NH3?

Answer: Ammonia

Question: Which radioactive metal is represented by the chemical symbol Ac?

Answer: Actinium

Question: Which silvery-white metal has the chemical symbol Pd?

Answer: Palladium

Question: Which silvery-white metal has the chemical symbol Sn?

Answer: Tin

Gases and its Properties Trivia

Question: Which elements are good conductors of heat and electricity?

Answer: Transition metals

Question: Which familiar gas occurs naturally in oil wells, and as marsh gas?

Answer: Methane

Question: Which gas can be used to fill balloons, and to effect a comedy voice if inhaled ...?

Answer: Helium

Question: Which gas did Humphry Davy experiment with in 1800 only to discover its humorous side-effects?

Answer: Nitrous oxide

Question: Which gas has the chemical formula CH4?

Answer: Methane

Question: Which gas is the second lightest element?

Answer: Helium

Question: Which gas is used to fill novelty balloons?

Answer: Helium

Question: Which gas makes up 0.03 per cent of the air we breathe?

Answer: Carbon dioxide

Question: Which gas with the chemical formula C2H2 is widely used in welding?

Answer: Acetylene

Question: Which gaseous element was first called 'dephlogistaicated air'?

Answer: Oxygen

Question: What collective name is given to the six gases Helium, Argon, Krypton, Xenon, Neon, and Radon?

Answer: Noble or inert

Question: How are the elements Helium, Neon, Argon, Krypton, Xenon, and Radon collectively known?

Answer: Inert gases

Chemical Combinations Trivia

Question: Which two elements combine to make ammonia?

Answer: Nitrogen and hydrogen

Question: Which two elements combine to make common salt?

Answer: Sodium and chlorine

Question: Which two elements make up the gas ammonia?

Answer: Hydrogen, Nitrogen

Question: Which mixture is typically made up of 75% potassium nitrate, 13% charcoal, and 12% sulfur?

Answer: Gunpowder

Question: Which two letters indicate a measure of the acidity or basicity of a substance?

Answer: pH

Question: Which type of chemical contains no oxygen?

Answer: Alkanes

Question: Which type of plastic can be molded, melted, and then remolded?

Answer: Thermoplastics

Question: Most plastics are what?

Answer: Synthetic

Question: PVC is an example of a what plastic?

Answer: Thermoplastics

Question: PVC is an example of what type of plastic?

Answer: Thermoplastics

Question: PVC is made up of carbon, hydrogen, and what else?

Answer: Chlorine

Question: Polyamide is better known as what?

Answer: Nylon

Question: Plasticizers are added to PVC to make it more what?

Answer: Soft And Flexible

Question: Over long periods while under extreme heat and pressure, graphite turns into what?

Answer: Diamond

Question: Recycling old aluminum uses what percentage of the energy used to create it new?

Answer: 5%

Question: Naturally occurring rocks that provide a starting point for the manufacture of metals are what?

Answer: Ores

Question: Salt, diamond, and coal are all examples of what?

Answer: Minerals

Question: Of which semi-precious stone is Nephrite a variety?

Answer: Jade

Question: Something without a defined shape or volume is known as?

Answer: A Gas

Physical Properties and Elements Trivia

Question: Crystals are made up of what?

Answer: Lattices

Question: Deuterium is an isotope of which gas?

Answer: Hydrogen

Question: Equal masses of oxygen, hydrogen, and methane are kept under identical conditions. The ratio of the volumes of gases will be?

Answer: 1:16:02

Question: Europium originated from the name of which Continent?

Answer: Europe

Question: Groups in the periodic table are columns of what?

Answer: Similar elements

Question: H2O contains how many elements?

Answer: Two

Question: HCl is what sort of compound?

Answer: Acid

Question: Approximately how many different organic chemical compounds are currently known?

Answer: 4000000

Question: Approximately how many molecules thick is a piece of paper?

Answer: 100000

Question: As a solid melts what happens to the temperature?

Answer: Stays the same

Question: Bronze is a mix of how many metals?

Answer: 2

Question: Calcium is displayed on the Periodic Tables as?

Answer: Ca

Question: Can diamonds be made synthetically?

Answer: Yes

Question: High strength in tension is a good property for a material used to make what?

Answer: Rope

Question: What state is bromine in at room temperature?

Answer: Liquid

Question: What state is fluorine in at room temperature?

Answer: Gas

Question: What state is the chemical 'ethanol' at standard temperature and pressure?

Answer: Liquid

Question: What will happen to the pressure inside of a sealed tube if you raise the temperature?

Answer: Increase

Question: When a gas reaches its condensation point, it becomes a what?

Answer: Liquid

Question: When a solid changes to a liquid, it is called what?

Answer: Melting

Question: When atoms and molecules cluster in a regular pattern, they form?

Answer: A Solid

Question: When magma cools slowly, what sort of crystals form?

Answer: Large

Question: When solids reach their melting points, they become what?

Answer: Liquids

Question: When water is cooled what happens?

Answer: Expand

Question: When water is heated it does what?

Answer: Evaporates

Question: Where is an oil fractionating column hottest?

Answer: Top