Which of the following ions or atoms possess paramagnetic properties ? S Ar- S2- Ar Na+

Which of the following ions or atoms possess paramagnetic properties ?

S
Ar^-
S^2-
Ar
Na⁺

Solutions

Expert Solution

an atom or ion whic posses unpaired electrons causes paramagnetism. By lookin at s-,p-, d-filling status we can predict whether an atom or ion will posses para or dia or ferro magnetism. a negative charge means additional electrons to elemental atom and a positive charge means that much electrons have been removed.

S Electron configuration: [Ne] 3s²3p⁴ in p-sub shell 1 unpaired electron present - so it is paramagnetic.

Ar^- Electron configuration: [Ne] 3s²3p⁶4s¹ in s-sub shell 1 unpaired electron present - so it is paramagnetic.

S^2- Electron configuration: [Ne] 3s²3p⁶ there is no unpaired electron present - so it is diamagnetic.

Ar Electron configuration: [Ne] 3s²3p⁶ there is no unpaired electron present - so it is diamagnetic.

Na⁺ [Ne] 3s⁰ there is no unpaired electron present - so it is diamagnetic.

Answer: S and Ar^- are paramagnetic only.

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queen_honey_blossom answered 1 year ago

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