why group 17 elements called halogens...

Group 17 elements are called halogens because halogen is a Greek word which means 'salt producing'. Halogens include fluorine, chlorine, bromine, iodine and astatine. They all are non-metals. They react with metals to form compounds called salts.
For example: 
‚Äč2Na + Cl2    2NaCl (s)

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Group 17 elements of the periodic table contains the essentials fluorine, chlorine, bromine, iodine and astatine. These fundamentals are communally known as the HALOGENS. This surname is derivative from two Greek words Halo and Gens meaning 'salt producing'. Halogens are amid the mainly reactive non-metals. There is superior similarity within the halogen group compare to extra groups in the periodic table with the exclusion of the alkali metals. Astatine is radioactive and is therefore not of any realistic significance.

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17th group elements of the periodic table contains the essentials fluorine, chlorine, bromine, iodine and astatine. These fundamentals are communally known as the Halogens.This is so because they generally form salts.

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'halogens' means "salts" and the elements of group17 makes salts .thats why they arre called halogens

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ELEMENTS chlorine,bromine and iodine are known as HALOGENS because they react with metal to form salt [halo=salt ; gene=producer]

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The term comes from the Greek words meaning "to produce salt" because a salt is formed in reactions involving these elements.

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The term comes from the Greek words meaning "to produce salt" because a salt is formed in reactions involving these elements.

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