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Chemistry 7 Online
OpenStudy (anonymous):

Which of the following groups of elements contains the most valence electrons per atom? halogens chalcogens noble gases alkali metals

OpenStudy (rushwr):

Alkaline earth metals - 2 valence electrons Chalcogens - 6 valence electrons Halogens - 7 valence electrons Noble gases - 8 valence electrons

OpenStudy (rushwr):

So the answer would be noble gases !

OpenStudy (rushwr):

@anti-chem-hag74 any doubts?

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