Atoms with three of their outer most orbits incompletety filled with electrons are present in

When 4f level of an atom is completely filled with electrons, the next electron will enter into which orbital?

Hexafluorocobaltate (III) ion is an outer orbital complex. The number of unpaired electrons present in it is

Hexafluorocbaltate (III) ion is an outer orbital complex. The number of unpaired electrons present in it is

The outer most orbit of an element "X" is partially filled with electrons in 's' and 'p' subshells. Then that element is

Hexafluorferrate(III)ion is an outer orbital complex. The number of unpaired electrons present in.it is:

The distance between the nucleus and the outer most orbit is called

If an electron in H atom has an energy of -78.4 kcal/mol the orbit in which the electron is present is