Biology, asked by ajjubhai87, 3 months ago

helium ka atomic number ???

Answers

Answered by swikairachan

1

Answer:

it's 2

Explanation:

but it is placed in 18th group because it is a nobel gas too with a complete octate.

Answered by swetadubay

2

Answer:

helium atomic number =2

thanks for the question

have a nice day

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