MEDIUM
9th CBSE
IMPORTANT
Earn 100

Size of the nucleus is of the order

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Important Questions on Competition Corner-2

MEDIUM
9th CBSE
IMPORTANT
In a given atom no two electrons can have the same values ​​for all the four quantum numbers
HARD
9th CBSE
IMPORTANT
Explanation of the presence of three unpaired electrons in nitrogen atom is given by
EASY
9th CBSE
IMPORTANT
The e/m ratio of an electron for all types of substances is
MEDIUM
9th CBSE
IMPORTANT
The ratio of charge and mass would be greater for
EASY
9th CBSE
IMPORTANT
A proton is identical to
EASY
9th CBSE
IMPORTANT
An α - particle is
EASY
9th CBSE
IMPORTANT
A natural phenomenon that supports the experimental conclusion that atoms are divisible is
HARD
9th CBSE
IMPORTANT
Designation of an orbital with n=6 and l=1 is