Course Topics
Fundamental
Atomic Mass & Relative Masses
Atomic Mass: Mass of an atom compared to carbon-12.
Atomic Mass Unit (amu): 1/12 mass of carbon-12 atom.
Memory Tip
“C-12” has 12 letters. 1 amu numbers: 1.661×10⁻²⁷
Important
Isotopes & Isotopy
Isotopes: Same element, same protons, different neutrons.
Memory Tip
ISOtopes = Same protons (TOP same).