Chem exam 2

2 regions of electron density

linear, 180 degrees

3 regions of electron density

trigonal planar, 120 degrees

4 regions of electron density

tetrahedral, 109.5 degrees

5 regions of electron density

trigonal bipyramidal, 90, 120 degrees

6 regions of electron density

octahedral, 90 degrees

Ammonium

NH4 charge +1

Hydroxide

OH charge -1

Hydronium

H3O charge +1

Acetate

C2H3O2 charge -1

Oxalate

C2O4 charge -2

Carbonate

CO3 charge -2

Hydrogen Carbonate

HCO3 charge -1

Peroxide

O2 charge -2

Cyanide

CN charge -1

Thiocynate

SCN charge -1

Permanganate

MnO4 charge -1

Chromate

CrO4 charge -2

Dichromate

Cr2O7 charge -2

Nitrate

NO3 charge -1

Nitrite

NO2 charge -1

Phosphate

PO4 -3 charge

Phosphite

PO3 charge -3

Hydrogren Phosphate

HPO4 charge -2

Dihydrogen Phosphate

H2PO4 charge -1

Phosphoric Acid

H3PO4

Sulfate

SO4 charge -2

Sulfite

SO3 charge -2

Hydrogen Sulfate

HSO4 charge -1

Sulfuric Acid

H2SO4

Perchlorate

ClO4 charge -1

Chlorate

ClO3 charge -1

Chlorite

ClO2 charge -1

Hypoclorite

ClO charge -1

Acetic acid

HC2H3O2

Nitric Acid

HNO3

Nitrous acid

HNO2

Perchloric Acid

HClO4

carbonic acid

H2CO3

Sulfuric Acid

H2SO4

Sulfurous Acid

H2SO3

Hydroflouric Acid

HF

hydrocloric acid

HCl

Free Radicals

chemical particles with an odd number of electrons

3 Regions, 1 Lone Pair

Bent, 120 degrees

4 Regions, 1 Lone Pair

Trigonal Pyramid, 109 degrees

4 Regions, 2 Lone Pair

Bent, 109 degrees

5 Regions, 1 Lone Pair

Seesaw, 120,90 degrees

5 Regions, 2 Lone Pair

T-Shape, 90 degrees

5 Regions, 3 Lone Pair

Linear, 180 degrees

6 Regions, 1 Lone pair

Square Pyramid, 90 degrees

6 Regions, 2 Lone Pair

Square Planar, 90 degrees

6 Regions, 3 Lone Pair

T-Shape, 90 degrees

6 Regions, 4 Lone Pair

Linear, 180 degrees