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CBSE Class 10 Answered

Why an element can't gain or lose 5 , 6 or 7 electrons
Asked by Vishavjet567 | 31 Oct, 2020, 10:52: AM
Expert Answer
Dear student,
 
There is no such rule that atom can't loose or gain 5, 6 or 7 electrons. Number of electrons are gained or released to complete octet and attain a stable state. But loosing or gaining 5, 6 ,7 is uncommon.
Lets understand by oine example-
 
Aluminium have 3 electrons in its outermost shell. To complete octet, it has two options-
1. Gaining of 5 electrons
2. Rleaseing of 3 electrons
 
Here, 2nd option is more feasible because it is easy to accomplish.
 
Same happens in other cases too, so thats why an element can't gain or lose 5 , 6 or 7 electrons.
Answered by Ravi | 01 Nov, 2020, 02:55: PM

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