Subatomic Particles, Atomic Number and Mass Number
Three particles build every atom in the universe, and two numbers tell you how many of each.
What this unit covers
Unit 2: Atomic Structure
- 1 Subatomic Particles, Atomic Number and Mass NumberThree particles build every atom in the universe, and two numbers tell you how many of each. · 10 min
- 2 Isotopes and Relative Atomic MassSame element, different weights. The reason the periodic table is full of decimals. · 10 min
- 3 Atomic Models: Dalton to BohrFour scientists, four models, and one shocking bounce off a sheet of gold. · 13 min
- 4 Quantum Numbers and Atomic OrbitalsEvery electron in an atom has a four-part address, and no two share the same one. · 10 min