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Which of the following substances has the highest magnetic moment per atom at room temperature?

 

Option: 1

Fe


Option: 2

Co


Option: 3

Ni


Option: 4

Mn


Answers (1)

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The magnetic moment per atom depends on the number of unpaired electrons in the atom. Among the given options, Co has the highest number of unpaired electrons (3), followed by Fe (4), Mn (5), and Ni (2). Therefore, Mn has the highest magnetic moment per atom at room temperature.

d) Mn: 5 unpaired electrons,\mu_{M n}=5.9 \mu_B

Posted by

Ritika Jonwal

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