Chemistry, asked by AasifSheikh, 7 months ago

Valency of Hydrogen and Helium​

Answers

Answered by rd7597923
9

Answer:

Valency of Helium is 0 and Valency of Hydrogen is 1

Answered by nikumoniingti968
1

Answer:

Hydrogen is a unique atom, because it has only two spots in its outermost electron level.Helium has two electrons and exhibits the properties of a noble gas.

Hydrogen valence number is one, because it has only one valence electron and needs only one shared electron to fill it's energy levels.

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