Seudónimo Seudónimo
  • 02-03-2017
  • Chemistry
contestada

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

Respuesta :

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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