
(a)
Interpretation:
For the ground-state electronic configuration of barium, noble-gas shorthand notation has to be written.
Concept Introduction:
Electrons of an atom are arranged in orbitals by the order of increasing energy. This arrangement is known as electronic configuration of atom. This can be represented using noble-gas shorthand notation also.
In the noble-gas shorthand notation of electronic configuration, the electrons that are in excess in comparison with the nearest noble gas is written. The symbol of nearest noble-gas is written in square brackets followed by the excess electrons.
(b)
Interpretation:
For the ground-state electronic configuration of silver, noble-gas shorthand notation has to be written.
Concept Introduction:
Refer part (a).
(c)
Interpretation:
For the ground-state electronic configuration of gadolinium, noble-gas shorthand notation has to be written.
Concept Introduction:
Refer part (a).
(d)
Interpretation:
For the ground-state electronic configuration of palladium, noble-gas shorthand notation has to be written.
Concept Introduction:
Refer part (a).
(e)
Interpretation:
For the ground-state electronic configuration of tin, noble-gas shorthand notation has to be written.
Concept Introduction:
Refer part (a).

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