The elements in this group are all non-metals. The term 'halogen' is a Greek word which means 'salt former' because they react with metals to form compounds called salts. For example, fluorine reacts explosively with sodium to form sodium fluoride. Hence group 17 are called halogens.halogen, any of the six nonmetallic elements that constitute Group 17 (Group VIIa) of the periodic table. The halogen elements are fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At), and tennessine (Ts) I'm fine wbu vaise paper ssc ka h final
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The elements in this group are all non-metals. The term 'halogen' is a Greek word which means 'salt former' because they react with metals to form compounds called salts. For example, fluorine reacts explosively with sodium to form sodium fluoride. Hence group 17 are called halogens.halogen, any of the six nonmetallic elements that constitute Group 17 (Group VIIa) of the periodic table. The halogen elements are fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At), and tennessine (Ts) I'm fine wbu vaise paper ssc ka h final
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