Question

the atomic number of an element is 13. predict
1) its valency
2)is it a metal or non metal
3)its relative size with respect to other members of its group

Answer 1

Answer:

1) It's valency is 3. 2) It is a metal.

Explanation:

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Answer 2

Explanation:

[tex]The element is Aluminium[tex]

Symbol is Al

and is a metal and is relatively dense and slightly bigger in size