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Chemistry, 04.02.2020 09:58 wananikwecurley99
which of the following pairs of elements could possibly be found in the same group on the periodic table? a is an alkali metal; b forms a 1- ion. a has two valence electrons; b forms a 2- ion. a is a noble gas; b has seven valence electrons. a forms a -3 ion; b has five valence electrons.
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which of the following pairs of elements could possibly be found in the same group on the periodic t...
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