What are Electron Configurations? The electron configuration of an element describes how electrons are distributed in its atomic orbitals. Electron ...

Introduction to Hund’s Rule Aufbau principle tells us that the lowest energy orbitals get filled by electrons first. After the ...

The Pauli Exclusion Principle is one of the important principles, along with the Aufbau Principle and Hund’s Rule in Chemistry. ...

What is the Aufbau Principle? The Aufbau principle dictates the manner in which electrons are filled in the atomic orbitals ...

Electronic Configuration of Elements “An atom of an element has different shells, sub-shells and orbitals and the distribution of electrons ...

What are Atomic Orbitals? Atomic orbitals are mathematical functions that describe the wave nature of electrons (or electron pairs) in ...

Quantum numbers can be used to describe the trajectory and the movement of an electron in an atom. The quantum ...

What Are Orbitals? Orbitals in Chemistry is a mathematical function depicting the wave nature of an electron or a pair ...

Heisenberg’s uncertainty principle states that it is impossible to measure or calculate exactly both the position and the momentum of ...

Bohr’s model failed to explain many concepts related to the spectrum of different atoms and splitting of spectral lines in ...