What are some examples of 7a elements

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Reference no: EM13852151

What are some examples of 7a elements? How many valence electrons do these elements have? Are these elements considered reactive? What are some practical uses of some group 7a elements?

Reference no: EM13852151

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What are some examples of 7a elements : What are some examples of 7a elements? How many valence electrons do these elements have? Are these elements considered reactive? What are some practical uses of some group 7a elements?

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