An atom has the electron structure of 2, 7.(a) What is the atomic numb – InterviewSolution

1.

An atom has the electron structure of 2, 7.(a) What is the atomic number of this atom ?(b) To which of the following would it be chemically similar ? 7N, 15P, 17CI, isAr(c) Why would you expect it to be similar ?

Answer»

(a) 9.

(b) 17 Cl.

(c) Both have the same number of valence electrons (7 electrons each) in their atoms.

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