Chemistry, asked by gamerad712, 16 days ago

please answer this question

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Answers

Answered by Anonymous

1

Answer:

3

2

3

Explanation:

Answered by amispdfghnjnmm

0

Answer:

x)atomic number =5

valence electrons =3

y)atomic number =8

valence electrons =6

z)atomic number =15

valence electrons =5

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