Write the electron configurations for the following ions: Part A Fe2+ Use the bu

Question

Write the electron configurations for the following ions:

Part A

Fe2+

Use the buttons at the top of the tool to add orbitals in order of increasing energy, starting at the bottom with the lowest energy orbitals. Click within an orbital to add electrons.

Part B

Hg2+

Use the buttons at the top of the tool to add orbitals in order of increasing energy, starting at the bottom with the lowest energy orbitals. Click within an orbital to add electrons.

Part C

Mn2+

Use the buttons at the top of the tool to add orbitals in order of increasing energy, starting at the bottom with the lowest energy orbitals. Click within an orbital to add electrons.

Part D

Pt2+

Use the buttons at the top of the tool to add orbitals in order of increasing energy, starting at the bottom with the lowest energy orbitals. Click within an orbital to add electrons.

Explanation / Answer

Part A

Fe2+ - number of electrons = 24

Electron configuration = 1s2 2s2 2p6 3s2 3p6 3d6

part B)

Hg2+ = number of electrons = 78

Electron configuration = [Xe]4f145d10

part C)

Mn+2 - number of electrons = 23

electron configuration = 1s2 2s2 2p6 3s2 3p6 3d5

part D)

Pt+2 - number of electrons = 76

electron configuration = [Xe] 4f14 5d8

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