jhaveen2532 jhaveen2532
  • 15-03-2024
  • Chemistry
contestada

Here are the ground state electron configurations:

a)
Li: 1s² 2s¹
Li⁺: 1s²
b)
O: 1s² 2s² 2p⁴
O²-: 1s² 2s² 2p⁶
c)
Sc: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹ ([Ar] 4s² 3d¹)
Sc³+: [Ar] 3d⁰
d)
Co²+: [Ar] 3d⁷
Co³+: [Ar] 3d⁶

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