Note Entries
Molecular vs Ionic Compounds
February 9, 2026
Learn to distinguish between ionic and molecular compounds:
- Distinguish ionic from molecular compounds
- Master naming conventions and prefixes
- Write formulas from compound names
- Apply prefix rules (mono-, di-, tri-, etc.)
Atomic Structure
October 26, 2025
Explore the fundamental building blocks of matter:
- Atoms as the smallest unit of elements
- Isotopes and their properties
- Atomic models from Dalton to Bohr
- Subatomic particles and structure
Density Calculations
October 26, 2025
Master the fundamental relationship between mass, volume, and density:
- Core density formula: D = m / V
- Calculate mass, volume, or density
- Work with different units (g/cm³, kg/m³)
- Solve real-world density problems