Chemistry, 25.01.2021 21:20 ciarakelly636owuiup

Which statements are true concerning elements in the same group of the periodic table? Select all that apply. A) They have similar periodic properties.
B) They are all metals or nonmetals, but not both.
C) They have the same number of shells of electrons
D) They have the same number of inner core electrons.
E)They have the same outer shell (valence) electron configuration

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