Statement 1 (S1): Ammonium ion carries +1 charge. Statement 2 (S2): A group of atoms carrying a net positive charge is known as a polyatomic cation.
Statement 1 (S1): Phosphate ion carries -3 charge on it. Statement 2 (S2): A group of atoms carrying a negative charge is known as polyatomic cation.
Statement 1 (S1): Hydroxide ion is a monoatomic anion. Statement 2 (S2): Monoatomic anions always carry -1 charge on it.
Name the polyatomic ion that carries a positive charge.
Statement 1 (S1): Phosphide ion is an example of a polyatomic ion. Statement 2 (S2): Phosphide ion combines with 2 cations, hence it has a valency of 2.