How many upaired electrons are present in `Ni^(2+)`?

How many unpaired electrons are present in Ni^(2+) cation? (At. No. = 28)

" How many unpaired electrons are present in "_(Ni^(2))" .cation (atomic number = 28) "

How many unpaired electrons are present in N_2^+ ?

How many unpaired electrons are present in Mn^(2+) ion ? How do they influence magnetic behaviour of Mn^(2+) ion?

How many unpaired electrons are there in Ni^(2+) ?

How many unpaired electrons are present in chromium (Cr)

How many unpaired electrons are present in NO molecule ?

How many unpaired electrons are present in Gd(Z = 64) ?

How many unpaired electrons are present in Europium? (atomic number 63 )