1
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1
Ionisation energy of H-atom is 13.6 eV. The wavelengths of the spectral line emitted when an electron in Be3+ comes them 5th energy level to 2nd energy level is
2
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1
If the quantum number I could have the value 'n' also then, Sc(21) would have electronic configuration as (other rules strictly followed)
Questions Asked from Atomic Structure (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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