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Which of the following groups have one valence electron and are very reactive A-column 1 alkali metals B-Column 2 alkaline earth metals C-column 17 halogens D-column 18 noble gases
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Which of the following groups have one valence electron and are very reactive

A-column 1 alkali metals
B-Column 2 alkaline earth metals
C-column 17 halogens
D-column 18 noble gases

User Nikk Wong
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1 Answer

4 votes
This is chemistry rather than physics but I believe the answer is A) column 1, alkali metals.
User Mario Araque
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