EASY
9th CBSE
IMPORTANT
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Which element has the electronic configuration 2, 8, 6?

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Important Questions on Structure of Atom

EASY
9th CBSE
IMPORTANT
Which element has a total of three shells and there are four electrons in its valence shell? 
 
EASY
9th CBSE
IMPORTANT
The atom of which element has one electron, one proton and no neutron?
MEDIUM
9th CBSE
IMPORTANT
The atom of which element has twice as many electrons in its second shell as in the first shell?