Preidct the ground-state electron configuration of the following ions. Write answers in abbreviated form. Ru2+ W3+

Question

Question

Preidct the ground-state electron configuration of the following ions. Write answers in abbreviated form.

Ru2+

W3+

Answer 1

Answer #1

Ru = atomic number = 44

Ground-state electron configuration of Ru = 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d⁷ 5s¹ or [Kr] 4d⁷ 5s¹

Therefore,

Ground-state electron configuration of Ru²⁺ = [Kr] 4d⁶

W = atomic number = 74

Ground-state electron configuration of W = [Xe] 4f¹⁴5d⁴6s²

Hence,

Ground-state electron configuration of W3+ = [Xe] 4f¹⁴5d³

Answer 2

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