How are elements similar in a group/family on a periodic table?
A. they all are non metals
B...
Chemistry, 09.03.2021 18:10 pooperjooper
How are elements similar in a group/family on a periodic table?
A. they all are non metals
B. they have the same number of valence electrons
C. they all are metals
D. They have a full outer shell
Answers: 3
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