Question

Find the volume of cylinder 7cm
7cm.​

Answer 1

Answer:

7cm is the 700 meter oooooooooookkkkkkkkkkkkkk

Answer 2

Answer:

Polyatomic atom's are the group of atoms that have a net charge on them.

Hence ions are charged particles.

Example:

$1. \: sulphate \: ion - - {so4}^{ - 2}$

Sulphate ion contains atoms of sulphur and oxygen atoms with a net charge of -2

$2. \: carbonate \: ion - - {co3}^{ - 2}$

Carbonate ion contains atoms of carbon and oxygen with a net charge of -2