Periodic Table
Chemical Reactions
More Energy
Chemistry IRL
Famous Chemists
100

Vertical columns in the periodic table

What are groups?

100

This type of chemical reaction occurs between oxygen and a hydrocarbon. 

What is combustion? 

100

The enthalpy of a reaction is -137kj.mol. This type of reaction is.

What is an exothermic reaction?

100

The main molecule which makes up the gas in the atmosphere.

What is N2?

100

The number 6.02x1023 was named after this legendary chemist.

Who is Avagadro?

200

These elements all have a full outside electron shell

What are the noble gases?

200

Changes in energy during a chemical reaction may be observed as a change in temperature or _____________

What is the emission of light?

200
The amount of energy required to break 1 mol of a bond.

What is bond enthalpy?

200

The bubbles in soft drink

What is CO2
200

I developed the periodic table we use today after the idea came to me in a dream.

Who is Mendeleev?

300
Metals in the middle of the periodic table are given what name?

What are transition metals?

300

This type of reaction occurs when a more reactive element replaces a less reactive element in a molecule.

What is single displacement?

300

The specific heat capacity of water.

What is 4.18 j/g/c?

300

Sweating cools you down thanks to this type of reaction.

What is an endothermic reaction?

300

I was nominated for the Nobel prize 41 times and never won, but there is a dot diagram structure with my name. 

Who is Lewis (Gilbert Lewis)?
400

The three main groups in the periodic table are metal, non-metals and what other group?

What are metalloids?

400

Which anion is always soluble, no matter which cation it is bonded with?

What are nitrates?

400

This covalent bond has the highest average bond enthalpy for a single bond. 

What is H-F?

400

This common chemical has the formula C8H10N4O2

What is caffeine?

400

I was an English physicist and the joule was named after me

Who is James Joule.

500

Elements with the atomic number 89 to 103 are part of which specific group?

What are actinides?
500

Calcium carbonate (CaCO3) decomposes into which two molecules?

What is CaO and CO2?

500

This bond has an average bond enthalpy of 614 kjmol.

What is C=C?

500
Dihydroxyacetone (aka the chemical in fake tans) turns brown when it reacts with what types of chemicals in skin?

What are amino acids? 

500

These two scientists never met, but they are recognised as a partnership, with lots of chemistry/physics concepts named after them. 

James Clerk Maxwell and Ludwig Boltzmann

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