Chemistry, 24.10.2019 23:43 Theresab2021

(1) an atom with the electron configuration 1s22s22p2 possesses two valence electrons.
(2) the formula of the ionic compounds that contains ba2+ and n3- ions is ba2n3.
(3) the polyatomic ions nitrate and azide are both tetraatomic entities.

a) all three statements are true.
b) two of the three statements are true.
c) only one of the statements is true.
d) none of the statements is true.

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(1) an atom with the electron configuration 1s22s22p2 possesses two valence electrons.
(2) the...