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Elements in the halogen group are a.very reactive b.have seven electrons in the outer shell c. react to form salts d.all of the above
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Elements in the halogen group are

a.very reactive
b.have seven electrons in the outer shell
c. react to form salts
d.all of the above

User Sinaesthetic
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1 Answer

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All of the above. Halogens are extremely reactive. Their valency is -1 as they have 7 outer shell electrins and need 1 more to make it 8. They also react with metals to form salt. So the ans is (D)
User Quentin Fonck
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