CHE1301 - Polyatomic Ions

ammonium

acetate

cyanide

thiocyanate

bicarbonate

carbonate

hypochlorite

chlorite

chlorate

perchlorate

chromate

dichromate

permanganate

nitrite

nitrate

hydroxide

peroxide

dihydrogen phosphate

hydrogen phosphate

phosphate

hydrogen sulfite

sulfite

hydrogen sulfate

sulfate

Ionic Compound Type 1

monovalent

main group

Special groups: Ag⁺, Zn²⁺, Ca²⁺

^{name of a metal (cation) + name of non metal + -ide (anion)}

Ionic Compound Type 2

Multivalent

Transition metals

Special elements: Pb^2+/4+ Sn^2+/4+

Name of cation(metal) + charge of roman numeral + base of nonmetal (anion) -ide

Hydrates

base name prefix + hydrate

mono

1

di

2

tri

3

Tetra

4

Penta

5

hexa

6

hepta

7

octa

8

nona

9

deca

10

molecular compounds

prefix + name of 1st element + prefix + second element + ide

Binary Acid

H cation & nonmetal

hydro + -ic + acid

Oxyacid anion ending in -ate

base name + -ic + acid

Oxyacid anion ending in -ite

base name + -aus + acid

Giga

Gymbol: G

10⁹

Mega

Symbol: M

10⁶

Kilo

Symbol: k

10³

Deci

Symbol: d

10^-1

Centi

Symbol: c

10^-2

Mili

Symbol: m

10^-3

Micro

Symbol: u

10^-6

Nano

Symbol: n

10^-9

Pico

symbol: p

10^-12

Electron groups: 2

Bonding groups: 2

Lone pairs: 0

Electron Geometry: Linear

Molecular Geometry: Linear

Bond Angle: 180

Electron groups: 3

Bonding groups: 3

Lone pairs: 0

Electron Geometry: Trigonal Planar

Molecular Geometry: Trigonal Planar

Bond Angle: 120

Electron groups: 3

Bonding groups: 2

Lone pairs: 1

Electron Geometry: Trigonal Planar

Molecular Geometry: Bent

Bond Angle: <120

Electron groups: 4

Bonding groups: 4

Lone pairs: 0

Electron Geometry: Tetrahedral

Molecular Geometry: Tetrahedral

Bond Angle: 109.5

Electron groups: 4

Bonding groups: 3

Lone pairs: 1

Electron Geometry: Tetrahedral

Molecular Geometry: Trigonal Pyramidal

Bond Angle: <109.5

Electron groups: 4

Bonding groups: 2

Lone pairs: 2

Electron Geometry: Tetrahedral

Molecular Geometry: Bent

Bond Angle: <109.5

Electron groups: 5

Bonding groups: 5

Lone pairs: 0

Electron Geometry: Trigonal Bipryamidal

Molecular Geometry: Trigonal bipyramidal

Bond Angle: 120 equatorial & 90 axial

Electron groups: 5

Bonding groups: 4

Lone pairs: 1

Electron Geometry: Trigonal bipyramidal

Molecular Geometry: Seesaw

Bond Angle: <120 equatorial & <90 axial

Electron groups: 5

Bonding groups: 3

Lone pairs: 2

Electron Geometry: Trigonal bipyramidal

Molecular Geometry: T-shaped

Bond Angle: <90

Electron groups: 5

Bonding groups: 2

Lone pairs: 3

Electron Geometry: Trigonal Bipyramidal

Molecular Geometry: Linear

Bond Angle: 180

Electron groups: 6

Bonding groups: 6

Lone pairs: 0

Electron Geometry: Octahedral

Molecular Geometry: Octahedral

Bond Angle: 90

Electron groups: 6

Bonding groups: 5

Lone pairs: 1

Electron Geometry: Octahedral

Molecular Geometry: Square Pyramidal

Bond Angle: <90

Electron groups: 6

Bonding groups: 4

Lone pairs: 2

Electron Geometry: Octahderal

Molecular Geometry: Square Planar

Bond Angle: 90