Molecular Structure Q2

Front

What is a diatomic molecule?

Back

A molecule made of two atoms that are the same.

Front

How many reactants are in the reaction A + B ---> C?

Back

2

Front

Can molecules be made of only one type of atom?

Back

False

Front

What happens when a reaction releases heat?

Back

The reaction feels hotter and is called an exothermic reaction.

Front

What are the building blocks of all matter?

Back

Atoms.

Front

What is the definition of a molecule?

Back

A group of two or more atoms bonded together.

Front

What is an example of a diatomic molecule?

Back

O2 (oxygen gas) or N2 (nitrogen gas).

Front

What is the difference between an endothermic and exothermic reaction?

Back

Endothermic reactions absorb heat, while exothermic reactions release heat.

Front

What is a reactant in a chemical reaction?

Back

A substance that is consumed during the reaction.

Front

What is a product in a chemical reaction?

Back

A substance that is produced as a result of the reaction.