Tagged: Quantum numbers

Modern periodic table 2

Modern periodic table and classification of Elements

The modern periodic table consists of 7 periods (horizontal rows), and 18 groups (vertical columns), The elements are arranged ascendingly according to their atomic numbers and the way to fill their atomic energy sublevels...

Quantum numbers 0

Quantum numbers and principles of distributing electrons

The mathematical solution of Schrodinger’s equation introduced four numbers that were called quantum numbers, to determine the energy of an electron in multi-electron atoms, we should know the four quantum numbers which describe it.