Chemistry
Chemistry, 18.10.2019 09:10, gerkera88

On the periodic table there are columns that go up and down. elements that are in the same column

a) tend to have properties that are different
b) tend to have properties that are similar
c) tend to have similar atomic mass
d) tend to have different numbers of valence electrons

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On the periodic table there are columns that go up and down. elements that are in the same column

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