Question

8. Atomic numbers of certain elements are given as follows:
A=15,
B= 11,
C= 20,
D= 12
E=13
F=17
Which of them
Is a trivalent metal?
Is a divalent metal?
Is trivalent non-metal?
Is a noble gas?
Forms a non polar covalent bond with itself?
Forms an electrovalent bond with B?
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Answer 1

Answer:

hello....

ans (a). element E

(b). element. D

(c). element. F

(b). none of this

(e). element A and D

(f). element. F

I hope it will help you