Modern periodic table and classification of Elements
The modern periodic table consists of 7 periods ( horizontal rows ) , 18 groups ( vertical columns ) , The elements are arranged ascendingly according to their atomic numbers and the way to...
Tagged: Quantum numbers
The quantum numbers and principles of distributing electrons
Quantum numbers 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...
