Curated Video
An unmanned cargo ship carrying supplies, experiments and even Christmas presents docked with the International Space Station Sunday. The Cygnus was supposed to arrive in December but faced multiple launch delays. (Jan. 13)
FOR CLEAN VERSION SEE STORY NUMBER: apus003718
Christmas finally arrived for the six astronauts aboard the International Space Station (ISS) on Sunday.
A privately launched supply ship arrived at the ISS on Sunday morning, three days...
AFP News Agency
CLEAN: European Space Agency has big plans for new astronauts
CLEAN: European Space Agency has big plans for new astronauts
Khan Academy
sp3 Hybridized Orbitals and Sigma Bonds, Structure and Bonding, Organic chemistry
This video reviews many of the concepts covered in the regular chemistry playlist. Sal tries to draw and clarify how to visualize the multiple x, y, and z orbitals. He elaborates on probability clouds and the sp3 orbital configuration of...
Sophia Learning
Sophia: Writing Electron Configurations: Lesson 1
This lesson will demonstrate how to write the electron configurations for any element given its location on the periodic table. It is 1 of 3 in the series titled "Writing Electron Configurations."
Crash Course
Crash Course Chemistry #5: The Electron
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...
Sophia Learning
Sophia: Interpreting Electron Configurations
Learn how to identify a chemical element and the number of valence electrons when given its electron configuration. [9:14]
Sophia Learning
Sophia: Quantum Mechanical Model
Practice using probability to describe the location of electrons in the atomic model. [3:25]
Sophia Learning
Sophia: Quantum Numbers
Learn about quantum numbers, their symbols, and what they stand for in regards to a Charge Cloud model. [6:48]
Sophia Learning
Sophia: Quantum Numbers
A short video introducing quantum numbers, their symbols, and what they represent. [6:20]
Next Vista for Learning
Next Vista for Learning: Bohr Model of the Atom
This video takes you inside the atom to learn about the subatomic particles present and their location. Also learn about what the atomic number and mass number tell you about the number of protons, neutrons, and electrons. [1:35]