Select the atoms whose ions have an electron configuration of nd5 (n = 3, 4, 5 ...). For example, the 2 + ion for V ends the electron configuration with 3d 3.

Ir

Rn

Fe

Pa

Y

Re

Question

Chemistry

Guest

27 October, 23:31

Select the atoms whose ions have an electron configuration of nd5 (n = 3, 4, 5 ...). For example, the 2 + ion for V ends the electron configuration with 3d 3.

Ir

Rn

Fe

Pa

Y

Re

+3

Answers (1)

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Ellie Blevins · Answer 1

Ir = [Xe] 4f14 5d7 6s2

Rn = [Xe] 4f14 5d10 6s2 6p6

Fe = [Ar] 3d6 4s2

Pa = [Rn] 5f2 6d1 7s2

Y = [Kr] 4d1 5s2

Re = [Xe] 4f14 5d5 6s2

So only Rhenium (Re) has an electronic configuration where the d orbital has 5 electrons in it.

Select the atoms whose ions have an electron configuration of nd5 (n = 3, 4, 5 ...). For example, the 2 + ion for V ends the electron configuration with 3d 3.IrRnFePaYRe

Select the atoms whose ions have an electron configuration of nd5 (n = 3, 4, 5 ...). For example, the 2 + ion for V ends the electron configuration with 3d 3.

Ir

Rn

Fe

Pa

Y

Re