Question

Correct order of number of outer most electron is
true for :
(1) Ni < Pd < PL
(2) Ni = Pd = pt
(4) Pd > Pt > Ni.
12) Pd > Ni > Pt​

Answer 1

Answer:

option(2) Ni=Pd=Pt

Explanation:

All these elements (nickel, palladium and platinum) belong to group 10. Elements belonging to the same group have same outershell configuration. So all these have 10 valence electrons.

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