ACCOUNT FOR THE FOLLOWING:- element of group 17 are monovalent...
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hey dear friend here is your answer:-
The elements of group 17 is monovalent because they require only 1 electron to be stable.
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Concept:
Addition of electron,and reach noble gas configuration.
Given
Group 17 elements.
Solution
We know that all atoms try to attain the nearest noble gas configuration.
The electronic Configuration of a group 17 element is given by
and the noble gas configuration is given by
Since the difference is of one electron , the group 17 elements gain an electron to reach the nearest noble gas configuration
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