Front

What are reactants in a chemical equation?

Back

Substances present at the start of a chemical reaction.

Front

What are products in a chemical equation?

Back

Substances that form as the result of a chemical reaction.

Front

In the equation Na + Cl --> NaCl, what are the reactants?

Back

Na and Cl.

Front

In the equation Na + Cl --> NaCl, what is the product?

Back

NaCl.

Front

True or False: A product is a new compound or molecule formed in a chemical reaction.

Back

True.

Front

What is the role of coefficients in a chemical equation?

Back

Coefficients indicate the number of molecules or moles of a substance involved in the reaction.

Front

What do subscripts in a chemical formula represent?

Back

Subscripts indicate the number of atoms of each element in a molecule.

Front

What is a chemical reaction?

Back

A process that involves the transformation of reactants into products.

Front

What is the law of conservation of mass?

Back

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

Front

What is an example of a chemical reaction?

Back

Combining hydrogen and oxygen to form water (2H2 + O2 -> 2H2O).