Chemistry, asked by Aasthamahajan, 7 months ago

plz give answer
it's urgent
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Answered by ayushshg123

1

Answer:

group 2

period 4

valence electron 7

valency 1

non metal

proton 17

neutron 18

Answered by sourabhmahajan1978

0

Answer:

hlo hi how r u .....

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