Why do elements in a vertical column of the periodic table have similar chemical properties?
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Chemistry, 28.01.2020 04:31, devinblitz4363
Why do elements in a vertical column of the periodic table have similar chemical properties?
they have the same number of outer electrons.
they have equal numbers of protons and electrons.
they have the same number of electrons
they have the same number of protons.
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Answers: 1
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