Question

A chemical change occurs when two or more substances react to form one or more new substances. Which of the following best completes this statement about a chemical reaction?

In a chemical reaction, . . .

A. Atoms are neither created nor destroyed.

B. Some atoms from the reactants may be lost.

C. Extra atoms are always gained in the product.

D. Extra atoms are added to the product, if needed.

Answer 1

Step-by-step explanation:

A) Atoms are neither created nor destroyed

number of atoms in the reactant is always equal to the number of atoms in the product and hence, option A is the right answer