penguinsaremytoujjxp penguinsaremytoujjxp

05-08-2018
Chemistry

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Which of the following groups contains reactive elements that need to gain only one electron to have a full outer energy level?
alkali metals
alkaline earth metals
halogens
noble gases

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reem2314 reem2314

05-08-2018

Alkali metals (group 1A elements)

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