In 1926, Austrian physicist Erwin Rudolph Joseph Alexander Schrödinger presented a mathematical concept of wave-particle dualism. He thought that the…

# Quantum Chemistry

An operator is a symbol that tells you to do something to whatever follows that operator. They are commonly used…

The Hamiltonian operator is a quantum mechanical operator with energy as eigenvalues. It corresponds to the total energy inside a…

Singlet state is attributed to the appearance of a single spectral line. This occurs because all of the electrons are…

The principal quantum number is related to the energy and size of the atomic orbits. It is denoted by ‘n’…