Question

examples of cation anion and polyatomic ion​

Answer 1

Answer:

When the cation and/or the anion is a polyatomic ion, parentheses may be used to group the atoms in the ion together to write the formula. For example, the salt ammonium sulfate consists of the cation NH 4+ and the sulfate anion SO 42-. The formula of the salt is written as (NH 4) 2 SO 4.

Explanation:

Answer 2

Answer:

Explanation:

Chloride (Cl-), Bromide (Br-), Sulfate ($S^{2-}_{4}$)--CATION

Sodium (Na+), Iron (Fe2+), Ammonium ($NH_{4}$)--ANION

KMnO4 (potassium permanganate),KMnO4 (potassium permanganate)--POLYATOMIC IONs