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  • 17-10-2018
  • Chemistry
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what is the salt formers group number is?

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  • 17-10-2018

The halogens are five non-metallic elements found in group 17 of the periodic table. The term "halogen" means "salt-former" and compounds containing halogens are called "salts". All halogens have 7 electrons in their outer shells, giving them an oxidation number of -1.

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