Question

The atomic no of four elements are A, B, C and D are given below A-

5,B-7,C-10, D-9, i)which elements belongs to group 18 ii)which elements

belongs to group 15 iii)group 13 iv) group 17 v) To which period they all

belongs to?​

Answer 1

Answer:

5,B-7,C-10, D-9, i)which elements belongs to group 18 ii)which elements

Explanation:

The atomic no of four elements are A, B, C and D are given below A-

5,B-7,C-10, D-9, i)which elements belongs to group 18 ii)which elements

belongs to group 15 iii)group 13 iv) group 17 v) To which period they all

belongs to?

Answer 2

Answer:

1.C=Ne

2.B=N

3.A=B

4.D=F

5.2nd Period

Explanation:

I hope that you will understand the answers very easily