Fundamental Particles and Particle Physics
Core Concepts In this article, you will learn what fundamental particles are, how they were discovered, and where the next frontiers of this field of
Core Concepts In this article, you will learn what fundamental particles are, how they were discovered, and where the next frontiers of this field of

Core Concepts In this tutorial, you will learn about atomic spectra, including the meaning behind this term, why spectra appear the way they do, and

Core Concepts In this tutorial, you will learn about electron shells, the different subshells that exist, and the orbitals where electrons can be found. Topics

What is Hund’s Rule? Hund’s Rule of Maximum Multiplicity, most commonly referred to as Hund’s Rule, states that every atomic orbital within a sublevel is

Pauli Exclusion Principle Definition The Pauli Exclusion Principle states that in any atom no electron can have the same four electronic quantum numbers as another

What is the Aufbau Principle? The Aufbau principle states that electrons will first fill the lowest energy electron shells in a neutral atom. Electrons fill

Core Concepts In this tutorial, you will learn what the Bohr Model is, how it improved upon previous models of the atom, and what problems

Core Concepts In this tutorial, you will learn how to find and write the electron configurations and orbital diagrams for various elements using the periodic

What is an Electron Orbital? Electron orbitals are mathematical functions that describe the probability of finding an electron around the nucleus of an atom. Each

Learn amazing facts about electron affinity, including definition, periodic table trends, and influencial factors

Core Concepts In this tutorial, we learn about valence electrons, what they are, and why they are significant. We will also learn how to tell

Core Concepts In this tutorial on quantum numbers, you will learn how we can describe the properties of an electron in an associated atom. These