Chemical Formulas & Equations

Front

The law of conservation of mass states that matter ___________________.

Back

cannot be created or destroyed.

Tags

NGSS.MS-PS1-5

Front

Chemical formulas are used to represent _________________.

Back

substances.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Front

Products are found on the _______________ side of the arrow in a chemical equation.

Back

Right.

Front

Chemical equations are used to represent _________________ .

Back

reactions.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

The materials we end with in a reaction are known as __________________.

Back

products.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

The materials we start with in a chemical reaction are called _________________.

Back

reactants.

Tags

NGSS.MS-PS1-1

Front

A chemical formula shows the ________________ of each element in a compound.

Back

ratio.

Front

In a balanced chemical equation, the number of atoms of each element is ________________ on both sides.

Back

equal.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

The symbol for a solid in a chemical equation is _________________.

Back

(s).

Front

The symbol for a gas in a chemical equation is _________________.

Back

(g).