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Chemistry, 07.12.2021 21:30 Tanija1995

Which groups on the periodic table are perfect pairs? Select one
a- group 1A and group 6A
b- group 1A and group 7A
c- group 1A and group 8A
d- group 1A and group 5A

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Which groups on the periodic table are perfect pairs? Select one
a- group 1A and group 6A

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