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- Ionization Energies of Chlorine in J/mol
Se
Selenium
[Ar] 3d¹⁰ 4s² 4p⁴
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p4
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Monoatomic Ions
Selenide Se²⁻ 2−
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