Breathing Nobel Gasses
Note:
- Fe2+ is called Iron(II) this will combine with O2- oxide as FeO Iron(II) Oxide (black iron-oxide)
- Fe3+ is called Iron(III) this will combine with O2- oxide as Fe2O3 Iron(III) Oxide (red rust)
- S2- is called the Sulphide Ion and is different to SO42- the Sulphate Iron
Valence Electrons & the Periodic Table
What is an Ion?
Ionic Bonding Introduction
Ionic Bonding Part 2
Ionic Bonding Part 3
Writing Ionic Formulas: Introduction
What's a polyatomic ion?
Writing Formulas with Polyatomic Ions
