Question

A group of different atoms which combine as a single unit but cannot exist indpendently is known as ???

Answer 1

different atoms which combines as a single unit but cannot exist independently are known as polyatomic ions
examples include po4^3+....co3^2-....NH4+......
thnxxx
hope this help you

Answer 2

Answer:

different atoms which combines as a single unit but cannot exist independently are known as polyatomic ions.

Explanation: