2 and 1 respectively
There are no unpaired electrons in strontium.
Lithium (Li) has 1 valence electron. It is in the same 'family' as Sodium (Na) and Potassium (K)
two
2
5
A silicon atom has 4 unpaired electrons.
2
2.
There are 3 unpaired electrons.
zero - there are no unpaired electrons
three unpaired electrons
There are no unpaired electrons in strontium.
6 unpaired electrons
3 unpaired electrons
they're are zero unpaired electrons.
5 unpaired electrons There are 5 unpaired electrons in the Fe3+ ion. The reason for this is that Iron has the electron configuration Ar3d5.
There are 5 unpaired electrons in Fe^3+ in its ground state.