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In: Chemistry

Dr. E. N. Gineer is trying to build a new device that requires a component of...

Dr. E. N. Gineer is trying to build a new device that requires a component of the device to be strongly paramagnetic. To keep the device affordable to the consumer, only elements in Periods 1-4 are available for use (Period 5 and below elements tend to be rarer and more expensive). Which element, which can provide the strongest paramagnetic interaction, should be used? (Only enter the chemical symbol for the element)

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Expert Solution

Cr can provide the best paramagnetic interaction.Unpaired electrons are responsible for paramagnetic behavior.Now if we analyze the electronic configuration of elements of period 1-4 then we can see Cr has the highest number of unpaired electrons.For S block elements maximum number of unpaired electron 1 and for P block element maximum number of unpaired electron 3.For transition metals the unpaired electrons in (n-1)d orbitals are responsible for paramagnetic properties.Both Cr and Mn has 5 unpaired 3d electrons .but in case of chromium 3s also has one unpaired electron .so Cr will provide highest paramagnetic interaction.

queen_honey_blossom answered 2 years ago
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