CBSE Class 10 Answered
define halogen.
Asked by achanta_65 | 23 Aug, 2011, 12:00: AM
Expert Answer
The halogens or halogen elements are a series of nonmetal elements from Group 17
Halogens are highly reactive, and as such can be harmful or lethal to biological organisms in sufficient quantities. This high reactivity is due to the atoms being highly electronegative due to their high effective nuclear charge. They can gain an electron by reacting with atoms of other elements
Answered by | 23 Aug, 2011, 03:15: PM
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