Chemistry, 07.03.2021 21:20 krystalsozaa
Which sequence of atomic numbers represents elements which have similar chemical properties?
a
b
4, 20, 38,88
3, 12, 21, 40
9, 16, 33,50
19, 23, 30, 36
d
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Which sequence of atomic numbers represents elements which have similar chemical properties?
a
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