Chemistry, asked by shreyamahajan, 1 year ago

a metal m forms an oxide having the formula m2o3 .It belongs to third period .write the atomic number and valency of metal..

Answers

Answered by tannu51
4
Al...
3 is the valency of alluminium.
atomic no.is 13...
hope it will help you
Answered by sunitaagrawal09babu
10
Valency of m is 3
Since valency is 3 therefore it belongs to group 3
And period 3
It's atomic no is 13
So it is aluminum
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