Anonymous Anonymous

02-03-2017
Chemistry

Answered

Elements in the halogen group are

a.very reactive

b.have seven electrons in the outer shell

Creact to form salts

d.all of the above

Verified Answer :

tasfialabina tasfialabina

02-03-2017

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)

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