A) Atomic number
B) Azimuthal quantum number
C) Principal quantum number
D) Atomic mass
Correct Answer: B
Solution :
[b] The block indicates value of azimuthal quantum number \[(\ell )\] for the last sub-shell that received electrons in building up the electronic configuration. For example group 1 and group 2 elements belong to s-block as last electron enters in s-subshell.You need to login to perform this action.
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