MinutePhysics
A Better Way To Picture Atoms
This video is about using Bohmian trajectories to visualize the wavefunctions of hydrogen orbitals, rendered in 3D using custom python code in Blender.
Crash Course
The Diels-Alder & Other Pericyclic Reactions: Crash Course Organic Chemistry
Going out in the sun can work wonders for your mood, but unfortunately too much UV exposure can do serious damage to your DNA. This damage occurs through a type of organic reaction called a pericyclic reaction. In this episode of Crash...
SciShow
Hiding a Nobel Prize From the Nazis
To keep their solid gold Nobel Prizes away from the Nazis, James Franck and Max von Laue sent their medals to trusted colleague Niels Bohr. But when Germany invaded Denmark in 1940, the medals were no longer safe - so chemist George de...
Crash Course
Orbitals: Crash Course Chemistry
In this episode of Crash Course Chemistry, Hank discusses what Molecules actually look like and why, some quantum-mechanical three dimensional wave functions are explored, he touches on hybridization, and delves into sigma and pi bonds....
Crash Course
Conjugation & UV-Vis Spectroscopy: Crash Course Organic Chemistry
Carrots get their orange-y color from, you guessed it, an organic chemical. This chemical, called beta carotene, gets its pigment from its conjugated electron system. We’ve talked some already about conjugation, but in this episode of...
Crash Course
The Electron: Crash Course Chemistry
Hank brings us the story of the electron and describes how reality is a kind of music, discussing electron shells and orbitals, electron configurations, ionization and electron affinities, and how all these things can be understood via...
Crash Course
Aromatics and Cyclic Compounds - Crash Course Chemistry
What's that smell? Smell's like Organic Chemistry! This week Hank talks about Aromatics and Cyclic Compounds and naming their substituents, resonance as well as common reactions & uses.
--
Table of Contents
Cyclic Organic Compounds &...
SciShow
This Is Not What an Atom Looks Like
What does an atom look like? Throughout history scientists and philosophers have attempted to answer this question. As a result, they've come up with some useful models for understanding the building blocks of our universe.
Crash Course
Network Solids and Carbon: Crash Course Chemistry
In this episode, Hank talks about Network solids and Carbon and how you can actually create a Diamond from plain old Carbon... well, YOU probably can't unless you own a bunch of elephants. It's a long story. BUT, within you will learn...
Bozeman Science
Electron Configuration
In this video Paul Andersen explains how to write out the electron configuration for atoms on the periodic table. More importantly he shows you why electrons arrange themselves in shells, subshells and orbitals by using Coulomb's law and...
Bozeman Science
Quantum Mechanical Model
In this video Paul Andersen explains how the quantum mechanical model of the atom refined the shell model. Uncertainty of the position of the electron as well as spin forces chemists to create an improved model. In this model the...
Curated Video
Pauli's Exclusion Principle: The rule of electrons
Wolfgang Pauli's Exclusion Principle, developed in 1925, is a crucial concept in quantum mechanics. It states that two electrons in the same atom cannot have the same set of quantum numbers, which are the principal quantum number (𝑻n),...
Curated Video
Azimuthal Quantum Number: Shaping Electron Orbits
Characterised by the symbol 𝑙l, the azimuthal quantum number is a fundamental parameter in quantum mechanics that describes the angular momentum and form of an electron's orbital within an atom. The integer values it accepts range from 0...
Curated Video
Magnetic Quantum Number: The Magnetic Effect on Electrons
The magnetic quantum number abbreviated as m represents the orbital orientation of an electron in a given energy level and sublevel. Here's a thorough rundown: Definition: Azimuthal quantum number (L) is represented by 𝑙l, and the...
Curated Video
Aufbau Principle: Building Electron Configurations
An important idea in atomic theory is the Aufbau Principle, which shows how electrons are arranged in an atom. It says that electrons fill atomic orbitals from least energetic to most energetic, starting with the least energetic orbitals...
Curated Video
Sp² Hybridization in Ethene: The Secret of Double Bonds
Hybridization Process: Carbon atoms undergo sp² hybridization, mixing one 2s and two 2p orbitals to form three sp² hybrid orbitals arranged in a trigonal planar geometry (120° bond angles). Bond Formation: Two sp² orbitals form sigma (σ)...
Curated Video
Valence Bond Theory: A Journey into Chemical Bonding
Valence Bond (VB) theory explains how chemical bonds form through the overlap of atomic orbitals, where electron pairs are shared between atoms. The key concepts include: Atomic Orbital Overlap: Bonds form when atomic orbitals from...
Curated Video
Potential Energy Curve of H₂: The Dance of Attraction and Repulsion
The potential energy curve of the H₂ molecule illustrates how the energy of the system changes as the two hydrogen atoms approach or move apart. As the atoms come closer, the attractive forces between the positively charged nuclei and...
Curated Video
Electronic Theory of Valency: The Key to Bond Formation
This theory states that valency arises from the tendency of atoms to achieve a stable electronic configuration by gaining, losing, or sharing electrons to form bonds
Curated Video
Allenes and Optical Activity: A Surprising Twist!
Allenes are compounds with a unique structure characterized by two adjacent double bonds (C=C=C). Despite having no traditional chiral centers, certain substituted allenes can exhibit chirality and optical activity due to their rigid,...
Curated Video
The Bohr Model
A video entitled “The Bohr Model” which describes the Bohr model of the atom and discusses the model’s importance and meaning.
Curated Video
Determining Electron Configurations
Explains how to compose an electronic configuration for an element using the number of electrons that the element has.
FuseSchool
What Are Dot and Cross Diagrams - Part 1| Properties of Matter
Learn the basics about how to use dot and cross diagrams to represent covalent bonds. Dot and cross diagrams are simply a straightforward way of drawing the electrons in the orbitals of atoms and compounds. Most of the time, we use dots...
Catalyst University
How to Determine Reactiveness/Lability of a Metal
How to Determine Reactiveness/Lability of a Metal