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Chemistry, 27.10.2020 17:20 haltomnatnathan3548

Why are elements placed in the same group?
They have the same number of electrons in
their outer shell which causes them to have
similar properties
They have the same number of electrons in
their outer shell
They have similar properties
They are in the same period

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Answers: 3

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Why are elements placed in the same group?
They have the same number of electrons in
th...
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