Chemical Reactions

Front

Which chemicals are reactants?

Back

HN3 and O2

Front

Which best describes the products of a chemical equation?

Back

Chemicals on the right of the arrow

Front

What is the particle known as the building block of matter?

Back

atom

Front

Smallest particle of a substance made up of two or more atoms.

Back

molecule

Front

What is at the center of every atom?

Back

nucleus

Front

Protons have this type of charge.

Back

Positive

Front

True or False: The number of protons in an atom is equal to its number of electrons and this number determines what element it makes.

Back

False

Front

True or false: A neutral atom has the same number of electrons as protons.

Back

true

Front

A substance that is formed as the result of a chemical reaction is a __________________

Back

Product

Front

A change in the shape of an object is an example of _________________

Back

a physical change