Chemistry, asked by hemantamangang79257, 10 months ago

Element X has mass no.39 and no. of neutron 20. In which group of periodic table does does X belong?

Answers

Answered by Faizan1906

1

Answer:

Group 1

Explanation:

Because it's valence electron is 1

Answered by gurjeet92

1

Explanation:

snsjshsisnslsjjwkz in snmskw

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