Chem 101 UNC Chapel Hill | Exam 2 | Study Guide

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Oxidation for Group 1

+1

Oxidation for Group 2

2

Oxidation for V

+5 or +4

Oxidation for Fe

+2 or +3

Oxidation for Co

+2 or +3

Oxidation for Cu

+1 or +2

Oxidation for Ag

+1

Oxidation for Zn

+2

Oxidation for Cd

+2

Oxidation for Au

+1 or +3

Oxidation for Hg

₂ 2+ or 2+

Oxidation for Group 13

+3

Oxidation for Group 14

+4

Oxidation for Group 15

-3

Oxidation for Group 16

-2

Oxidation for Group 17

-1

Mono

1 atom of the element

Di

2 atoms of the element

Tri

3 atoms of the element

Tetra

4 atoms of the element

Penta

5 atoms of the element

Hexa

6 atoms of the element

Hepta

7 atoms of the element

Octa

8 atoms of the element

Nona

9 atoms of the element

Deca

10 atoms of the element

BO₃^3-

Borate

BO₂^3-

Borite

CO₃^2-

Carbonate

CO₂^2-

Carbonite

NO₃^-

Nitrate

NO₂^-

Nitrite

PO₄^3-

Phosphate

PO₃^3-

Phosphite

SO₄^2-

Sulfate

SO₃^2-

Sulfite

AsO₄^3-

Arsenate

AsO₃^3-

Arsenite

SeO₄^2-

Selenate

SeO₃^2-

Selenite

TeO₄^2-

Tellurate

TeO₃^2-

Tellurite

SiO₄^4-

Silicate

SiO₃^4-

Silicite

ClO₄^-

Perchlorate

ClO₃^-

Chlorate

ClO₂^-

Chlorite

ClO^-

Hypochlorite

BrO₄^-

Perbromate

BrO₃^-

Bromate

BrO₂^-

Bromite

BrO^-

Hypobromite

IO₄^-

Periodate

IO₃^-

Iodate

IO₂^-

Iodite

IO^-

Hypoiodite

MnO₄^-

Permanganate

MnO₄^2-

Manganate

CrO₄^2-

Chromate

Cr₂O₇^2-

Dichromate

O₂^2-

Peroxide

CN^-

Cyanide

OH^-

Hydroxide

C₂H₃O₂^- or CH₃OO^-

Acetate

HCO₃^-

Bicarbonate

S₂O₃^2-

Thiosulfate

NH₄⁺

Ammonium

H₃O⁺

Hydronium

Hg₂²⁺

Mercury (I)

Ionic Compound Rule

Name of Cation followed by Anion

If the anion is an element, change its ending to…

-ide

If the anion is a polyatomic anion

Write name of the ion

For monoatomic ions, the charge on the ions equals the…

oxidation number

The oxidation numbers assigned to each of the atoms composing a compound or ion should…

sum to equal the total charge of the compound

Steric No: 2
Lone Pairs: 0
Electron Geometry: Linear
Molecular Shape: Linear
Degrees: 180°

Steric No: 3
Lone Pairs: 0
Electron Geometry: Trigonal Planar
Molecular Shape: Trigonal Planar
Degrees: 120°

Steric No: 4
Lone Pairs: 0
Electron Geometry: Tetrahedral
Molecular Shape: Tetrahedral
Degrees: 109°

Steric No: 3
Lone Pairs: 1
Electron Geometry: Trigonal Planar
Molecular Shape: Bent
Degrees: <120°

Steric No: 4
Lone Pairs: 1
Electron Geometry: Tetrahedral
Molecular Shape: Trigonal Pyramid
Degrees: <109°

Steric No: 4
Lone Pairs: 2
Electron Geometry: Tetrahedral
Molecular Shape: Bent
Degrees: «109°