Name one ion for each of the valencies +1, +2 and +3.

1.	Name one ion for each of the valencies +1, +2 and +3.
Answer» Sodium has valency +1. It is Na⁺. Because it donates one valence electron for octet configuration. Calcium has valency +2. It is Ca²⁺. Because it donates two valence electrons for octet configuration. Ferric has valency +3. It is Fe³⁺. Because it donates three valence electrons for octet configuration.

Answer»

Sodium has valency +1. It is Na⁺.

Because it donates one valence electron for octet configuration.

Calcium has valency +2. It is Ca²⁺.

Because it donates two valence electrons for octet configuration.

Ferric has valency +3. It is Fe³⁺.

Because it donates three valence electrons for octet configuration.

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Name one ion for each of the valencies +1, +2 and +3.

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