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Aufbau Principle

The aufbau principle provides a helpful rule in the ordering of atomic orbitals.
8 min read

Energy of Atomic Orbital

The energy of the atomic orbital is decided by the size and shape of the orbital
8 min read

Atomic Orbital

Atomic orbitals are building blocks of the modern quantum mechanics model.
14 min read

Spin Quantum Number

Spin quantum number decides the orientation of the intrinsic angular momentum.
4 min read

Magnetic Quantum Number

Magnetic quantum number, ml = … −2, −1, 0, 1, 2…
3 min read

Azimuthal Quantum Number

Azimuthal Quantum Number, l = 0, 1, 2, 3…
4 min read

Principal Quantum Number

Principal Quantum Number, n = 1, 2, 3, 4…
4 min read

Niels Henrik David Bohr (1885 – 1962)

Niels Bohr was one the greatest physicist of the 20th century. He was honoured with the Nobel Prize in Physics in 1922 for his atomic theory.
9 min read

Bohr's Atomic Model

Bohr's atomic theory was prosed by Neils Bohr in 1913. It was the first to inaugurate the quantum theory in the atom.
8 min read

Rutherford's Atomic Model

Rutherford's atomic model was a landmark, which explained the existence of the nucleus.
3 min read

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