An atom has electronic configuration 2, 8, 7. (a) What is the atomic number of this element?
(b) To which of the following elements would it be chemically similar? (Atomic numbers are given in parentheses.)
N(7) F(9) P(15) Ar(18)

An atom has electronic configuration 2, 8, 7. What is the atomic number of this element?

An atom has electronic configuration 2, 8, 7. What is the atomic number of this element?

An atom has the electronic configuration 2, 8, 7. a] What is the atomic number of this element? b] To which of the following elements would it be chemically similar? (Atomic numbers are given in parenthesis) N (7), F (9), P (15), Ar (18)

An atom has electronic configuration 2, 8, 7 what is the atomic number of this element ?

An atom has electronic configuration 2,8,7. What is the atomic number of this elements?

An atom has electronic configuration 2,8,7. What is the atomic number of this element?