Chemistry, asked by sharwan67, 9 months ago

an element a has atomic number 7 it has similar chemical properties of atomic number a.9 b.17 c.15

Answers

Answered by Somita24

1

Answer:

Tha answer should be 15

Answered by ashutoshsatpathy04

2

Answer:

15

Explanation:

because 7 is the atomic no. of nitrogen(N) and 15 is the atomic no. of phosphorus(P). which are comes in same group....group 15

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