Chemistry, 26.08.2019 05:50, TheViperMlg23676

#1: which element has the same number of energy levels as bromine (br) and the same number of valence electrons as barium (ba)?
a. potassium (k)
b,. beryllium (be)
c. cadmium (cd)
d. calcium (ca)

Answers: 2

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#1: which element has the same number of energy levels as bromine (br) and the same number of valen...