Question

15. How are the following elements
arranged in the Periodic Table?
H, He, Li, Be and B
[A] H, He, Li, Be and B
[B] H, Li, He, Be and B
19
[C] H, He, Be, Li and B
[D] H, Be, He, B and Li​

Answer 1

Answer:

[A] H, He, Li, Be and B

Explanation:

hope it help u

Answer 2

Answer:

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