Find the number of unpaired electrons present in phosphorus (atomic no.15), chromium (atomic no. 24) and copper (atomic no. 29) after writing their orbital electronic configurations.

Find the number of unpaired electrons present in phosphorus (atomic no

1.	Find the number of unpaired electrons present in phosphorus (atomic no.15), chromium (atomic no. 24) and copper (atomic no. 29) after writing their orbital electronic configurations.
Answer» SOLUTION :