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Chemistry, 19.11.2020 18:00 jovellabreu12

Which of the following groups have one valence electron and are very reactive? (2 points) Column 1 alkali metals
Column 2 alkaline earth metals
Column 17 halogens
Column 18 noble gases

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Which of the following groups have one valence electron and are very reactive? (2 points) Column 1...
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