Q.
For the energy levels in an atom which one of the following statement is correct ?
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a
The 4s sub-energy level is at a higher energy than the 3d sub-energy level
b
The M-energy level can have maximum of 32 electrons
c
The second principal energy level can have four orbitals and contain a maximum of 8 electrons
d
The 5th main energy level can have maximum of 49 electrons
answer is C.
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Detailed Solution
for n = 2,2s, 2p 1 + 3 = 4 orbitals2 + 6 = 8 electronsIt has 4 orbitals and contains 8 electrons.Note: For a given value of n ,Number of orbitals = n2Number of electrons = 2n2
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