Question

Complete:

If two or more elements or chemical compounds come into contact with one another and there is enough ________________present, a chemical change may take place.

a. When a substance undergoes a chemical change, the chemical ______________of the substance is altered.
b. A chemical change can also be called a chemical _______________.

Answer 1

if two or more elements or chemical compounds come into contact with one another and there is enough COMPOUND present, a chemical change may be take place.
A. PROPERTY
B.
CHEMICAL REACTION