3 Give the abbreviated electron configuration for each of the following: Se Mo Cr^3+ Pt I^-

Question

Question

3

Answer 1

Answer #1

1s22s22p 63s23p6 4s2 3d10 4p4

or [Ar] 3d10 4s2 4p4

For Mo

[Kr] 4d⁵ 5s¹

(C)

The electronic configuration of Cr(24) atom is 1s2 2s2 2p6 3s2 3p6 4s1 3d5( completely half-filled d-orbital ) and that of Cr3+ is [Ar] 3d3.

(d) Pt

[Xe] 4f¹⁴ 5d⁹ 6s¹

(E) I-

[Kr] 4d¹⁰ 5s² 5p⁶

Answer 2

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