Given below are two statements. One is labelled as Assertion 
and the other is labelled Reason R.
Assertion A: Energy of 
orbital of hydrogen atom is greater than that of 
orbital of lithium.
Reason R: Energies of the orbitals in the same subshell decrease with increase in the atomic number.
In the light of the above statements, choose the correct answer from the options given below:
. 
. Text Solution
Verified by ExpertsA
Energies of the orbitals in the same subshell decrease with increase in the atomic number 
,
e.g., energy of 
orbital of hydrogen atom is greater than that of 
orbital of lithium and that of lithium is greater than that of sodium and so on, i.e., 
.
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