a. 1a
Chemistry, 23.10.2019 00:00 straightbarz759
7. which main group in the periodic table of elements contains only nonmetals?
a. 1a
b. 6a
c. 8a
d. 2a
Answers: 1
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7. which main group in the periodic table of elements contains only nonmetals?
a. 1a
a. 1a
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