Chemistry, asked by gautamshiv, 11 months ago

an element has five valence electron and three cells what is the (a)atomic number (b)group number

Answers

Answered by sravanramagiri33

4

Answer:

Atomic number is "7" group is a 5a group element

Answered by eliahkhajekar

3

Answer:

Atomic number 15 group no. 15 Phosphorus.

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