Chemistry / Unit 2 Chem 0340 review, 2 to 3 minutes
Capstone: Classifying and Naming an Unknown Ionic Compound
Captions available
The idea
Classifying and naming an unknown ionic compound combines periodic-table position, charge prediction, polyatomic-ion recognition, charge-balance formula writing, and Stock-system naming into one complete analysis.
Where people slip
Skipping the charge-balance check and guessing a 1:1 ratio out of habit, as if this were a simple binary compound like NaCl, would produce Cr(SO4), a formula whose charges do not actually balance and that misrepresents the compound entirely.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Builds on
- 0217Atomic Number
- 0279Metals, Nonmetals, and Metalloids at Periodic-Table Depth
- 0294Predicting Ionic vs. Molecular Bonding from the Periodic Table
- 0297Predicting Monatomic Ion Charge from Group Number
- 0300Variable-Charge Metals
- 0303Polyatomic Ion
- 0309Writing Formulas for Ionic Compounds by Charge Balance
- 0316Naming Ionic Compounds with Variable-Charge Cations (Stock System)
- 0320Naming Ionic Hydrates
Unlocks
- Nothing yet depends on this.
Something wrong in this lesson? Flag it · Sources for Chemistry