Question

Write one sentence definition for each of the following:

a. Chemistry

b. Chemicals

Short answer

a. Chemistry is the detail of the composition, structures, properties, and reactions of substances.

b. A chemical is a species that has the same composition and properties.

Step-by-step solution

Part (a) Given Information

Definition of chemistry

Part (a) Explanation

Chemistry is the detail of the composition, structures, properties, and reactions of substances. The matter is another word for all the substances that make up our world.

Chemistry happens in our day-to-day life and in everything one does.

Example: One is doing chemistry when they cook food, add bleach to their laundry, or start their car.

Part (b) Given Information

Definition of Chemicals

Part (b) Explanation

A chemical is a species that has the same composition and properties. Whatever a person sees is made up of chemicals.

Chemical processes can take place in:

• Chemical laboratories
• Human bodies
• Plants
• Manufacturing laboratories