7
Question Question 6b
Name one ion for each of the valencies -1, -2 and -3.
Fluoride ion (F-) has valency -1.
Sulphide ion (S2-) has valency -2.
Nitride ion (N3-) has valency -3.
Name one ion for each of the valencies -1, -2 and -3.
Fluoride ion (F-) has valency -1.
Sulphide ion (S2-) has valency -2.
Nitride ion (N3-) has valency -3.