Names of Polyatomic Ions. Fairly compact but somewhat useful table. Why the Latin roots for iron (ferrum), for example, are listed but not provided in their useful form (ferrous and ferric, stannous and stannic) is a mystery.
How to Balance Chemical Equations: 6 Steps (with Pictures). Helpful trick to remediate and practice balancing reactions with students. Manipulating notecards is more engaging than notes on paper as well.
The Basic Difference Between a Cation and an Anion
How to Write Electron Configurations for Atoms of Any Element. An atom's electron configuration is a numeric representation of its electron orbitals. Electron orbitals are differently-shaped regions around an atom's nucleus where electrons.