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Magnetism and electron configuration Electrons in atoms are moving charges. produce magnetic field (consider as an example the electric current). Electrons.

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Presentation on theme: "Magnetism and electron configuration Electrons in atoms are moving charges. produce magnetic field (consider as an example the electric current). Electrons."— Presentation transcript:

1 Magnetism and electron configuration Electrons in atoms are moving charges. produce magnetic field (consider as an example the electric current). Electrons act as tiny magnets. Magnetic field mainly produced by spin motion. Paired electrons have a total spin of zero, have thus no total magnetic field. pairedunpaired II/

2 diamagnetism - slightly repelled by magnetic field - no unpaired electrons paramagnetism - attracted to magnetic field - one or more unpaired electrons ferromagentism -case of paramagnetism where the substance retains its magnetism -Very strongly attracted to magnetic field II/

3 Paramagnetism II/

4 Exercise: Which of the following species do you expect to exhibit paramagnetism : KHgBa 2+ N F - Ti 2+ Cu 2+ K: [Ar] 4s 1 Ba: [Xe] 6s 2 Ba 2+ : [Xe] Cu: [Ar] 4s 1 3d 10 Cu 2+ : [Ar] 3d 9 II/

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