Given: Electron Configuration of Cr: 1s22s22p63s23p64s13d5
To form ions, simply remove or add electrons from the outermost shell.
• Paramagnetic: have unpaired electrons
• Diamagnetic: do not have unpaired electrons
The element that corresponds to the electron configuration 1s22s22p63s23p64s13d5 is Cr. For the three ions formed by this element, 2+, 3+ and 6+ charged respectively, write the electron configuration and explain the property of paramagnetism or diamagnetism for each species.
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