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1.elements y which is carbon
2.element x which is helium
3.element z which is sodium
4. valency of y is 5
5.z is a metal
hope it helps
2.element x which is helium
3.element z which is sodium
4. valency of y is 5
5.z is a metal
hope it helps
mayank9039:
valency of y is 3
because it want 3 electrons to complete its octet
sorry my mistake
rest of the answer are correct
ok thankx
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