Question

The atomic no of three elements are A,B and C are given below A-5
,B-7,
C-109...
i)which elements belongs to group 18
ii)which elements belongs to group 15
iii)group 13

pls answer


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Answer 1

Answer:

A belongs to grp 13

B belongs to grp 15

and C belongs to grp 18

Answer 2

Answer:

1) I think so c

2) b belongs to group 15

3) a belongs to group 13

I think so

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