CP07 – Oxidation States

Date:
Class Business
- homework – questions?
- memorization questions?
Quiz – Oxidation Numbers
- student provides sheet of paper
- Q provides periodic table
- Q reads name of element
- Student writes name / symbol / oxidation number
- only 10 questions – grade in class
New Material – Formulas
- sum oxidation states = zero
- (also sum = charge of ion)
- remember – an element could have more than one possibility
- rules for assigning
Practice – Determine Oxidation Number for Each Element (show support)
- BaO
- CaCl2
- H2O
- Mg3N2
- H2CO3
- Fe(NO3)2
- ZnF2
- Al2O3
- P2O5
Homework (for Thursday)
- Study for Quiz #2
- second and third parts of “Oxidation Numbers” sheet
- transition metals and polyatomic ions
- only provided periodic table
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