The chemical substance found in the atmosphere exists as a / an______.

Answer 1

Most atmospheric constituents are gases. However there are many solid and liquid exceptions that limit visibility. They are called aerosols.

Answer 2

Thanks drwls but not one of my choices though these are my choices.

a) mixture
b) radical
c) element
d) compund
e) solid

Answer 3

The answer depends upon which chemical substance you are talking about.

Answer 4

Whenever you have choices, please post them right away with your question.