Instructional Video2:22
Curated Video

Hydrogen's First Orbit: Measuring the Radius

9th - Higher Ed
The Bohr radius, which represents the radius of hydrogen's first orbit, is a fundamental concept within Bohr's atomic model. According to this model, electrons revolve around the nucleus in quantised orbits with precise and unchanging...
Instructional Video6:14
Curated Video

Electron Energy Levels and Valency

K - 8th
In this video students will learn that an electron energy level or energy shell is the orbit followed by electrons around an atom’s nucleus and that the number of electrons within these shells or energy levels balances out the positive...