Unit test review

Front

In a balanced chemical equation, what do the coefficients represent?

Back

The number of molecules of each reactant and product.

Front

In a chemical reaction, which of the following is true?

Back

Atoms are rearranged to form new substances.

Front

Is this equation balanced?

Back

No.

Front

Describe the difference between a product and reactant in a chemical equation.

Back

Reactants are on the left, products are on the right.

Front

True or False: In a chemical reaction, no new atoms are created, and no atoms are destroyed.

Back

True.

Front

What is a chemical reaction?

Back

A process where reactants are transformed into products through the rearrangement of atoms.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed.

Front

What are reactants?

Back

Substances that undergo change in a chemical reaction.

Front

What are products?

Back

Substances that are formed as a result of a chemical reaction.

Front

What does it mean for a chemical equation to be balanced?

Back

The number of atoms for each element is the same on both sides of the equation.