Question

which pair of atomic numbers represent elements in the same group
a.6,12
b.4,16
c.11,19
d.8,17
please give me answer correctly​

Answer 1

Answer:

answer is 2

Explanation:

answer is 4,16

Answer 2

Answer:

some is not fitting

Explanation:

1. pair
2. they

these are half in the photo

hope it helped you

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