Question

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

Answer 1

+1 – Na+

+2 – Mg2+

+3 – Fe3+

:)

Answer 2

+1 ----> Sodium ion (Na+), potassium ion( K+)
+2 ----> Iron(II) ion (Fe²+) , Magnesium ion (Mg²+)
+3 ------> Iron (III) ion (Fe³+), Aluminium ion (Al³+).

There are a lot more dude.
Hope it helps!
:D
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