1
WB JEE 2020
MCQ (Single Correct Answer)
+1
-0.25
The maximum number of electrons in an atom in which the last electron filled has the quantum numbers n = 3, l = 2 and m = $$ - $$
1 is
2
WB JEE 2020
MCQ (Single Correct Answer)
+1
-0.25
The radius of the first Bohr orbit of a hydrogen atom is 0.53 $$\times {10^-8}$$ cm. The velocity of the electron in the first Bohr orbit is
3
WB JEE 2020
MCQ (Single Correct Answer)
+1
-0.25
The number of unpaired electrons in the uranium (92U) atom is
4
WB JEE 2020
MCQ (Single Correct Answer)
+1
-0.25
The difference between orbital angular momentum of an electron in a 4f -orbital and another electron in a 4s-orbital is
Questions Asked from Atomic Structure (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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