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Common Cations, Anions, Acids, Salts and Hydrate ..., Lecture notes of Chemistry

Cations (positive ions). Anions (negative ions). Acids (H+ and anion). H+. Hydrogen ion (proton). H–. Hydride ion. NH4. + Ammonium ion. F–. Fluoride ion…

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Common Cations, Anions, Acids, Salts and Hydrate Nomenclature!
Cations (positive ions)
Anions (negative ions)
Acids (H+ and anion)
H+
Hydrogen ion (proton)
Hydride ion
NH4+
Ammonium ion
Fluoride ion……………………………………
HF
Hydrofluoric acid
Main Group Ions
Chloride ion……………………………………
HCl
Hydrochloric acid
Li+
Lithium ion
Bromide ion……………………………………
HBr
Hydrobromic acid
Na+
Sodium ion
Iodide ion ……………………………………
HI
Hydroiodic acid
K+
Potassium ion
Oxide ion
Rb+
Rubidium ion
Hydroxide ion
Cs+
Cesium ion
Peroxide ion
Be2+
Beryllium ion
Sulfide ion ……………………………………
H2S
Hydrosulfuric acid
Mg2
Magnesium ion
Hydrogen sulfide ion
Ca2+
Calcium ion
Selenide Ion
Sr2+
Strontium ion
Nitride ion
Ba2+
Barium ion
Azide ion
AI3+
Aluminum ion
Phosphide ion
Sn2+
Tin(II) (stannous) ion
Arsinide ion
Sn4+
Tin(IV) (stannic) ion
Carbide ion
Pb2+
Lead(II) (plumbous) ion
Cyanide ion……………………………………
HCN
Hydrocyanic Acid
Pb4+
Lead(IV) (plumbic) ion
Oxoanions
Oxoacids
Sb3+
Antimony(III) (antimonous) ion
Hypochlorite ion………………………………
HCIO
Hypochlorous acid
Sb5+
Antimony(V) (antimonic) ion
Chlorite ion……………………………………
HCIO2
Chlorous acid
Bi3+
Bismuth(III) (bismuthous) ion
Chlorate ion……………………………………
HCIO3
Chloric acid
Bi5+
Bismuth(V) (bismuthic) ion
Perchlorate ion ………………………………
HClO4
Perchloric acid
Transition metal ions
Sulfite ion………………………………………
H2SO3
Sulfurous acid!
Cr2+
Chromium(II) (chromous) ion
Sulfate ion ……………………………………
H2SO4
Sulfuric acid!
Cr3+
Chromium(III) (chromic) ion
Hydrogen sulfate ion (bisulfate ion)
Mn2+
Manganese(II) (manganous) ion
Thiosulfate ion ………………………………
H2S2O3
Thiosulfuric acid!
Mn3+
Manganese(III) (manganic) ion
Nitrite ion ………………………………………
HNO2
Nitrous acid
Fe2+
Iron(II) (ferrous) ion
Nitrate ion………………………………………
HNO3
Nitric acid
Fe3+
Iron(III) (ferric) ion
Phosphite ion…………………………………
H3PO3
Phosphorous acid
Co2+
Cobalt(II) (cobaltous) ion
Phosphate ion…………………………………
H3PO4
Phosphoric acid
Co3+
Cobalt(III) (cobaltic) ion
(Mono)hydrogen phosphate ion
Ni2+
Nickel(II) (nickelous) ion
Dihydrogen phosphate ion
Ni3+
Nickel(III) (nickelic) ion
Carbonate ion…………………………………
H2CO3
Carbonic Acid
Cu+
Copper(l) (cuprous) ion
Hydrogen carbonate ion (bicarbonate ion)
Cu2+
Copper(II) (cupric) ion
Oxalate ion ……………………………………
H2C2O4
Oxalic acid
Ag+
Silver(I) ion
Cyanate ion……………………………………
HOCN
Cyanic Acid
Au+
Gold(I) (aurous) ion
Isocyanate ion…………………………………
HNCO
Isocyanic acid
Au3+
Gold(III) (auric) ion
Thiocyanate ion………………………………
HNCS
Thiocyanic Acid
Zn2+
Zinc ion
Chromate ion …………………………………
H2CrO4
Chromic acid
Cd2+
Cadmium ion
Dichromate ion ………………………………
H2Cr2O7
(Di)Chromic acid
Hg22+
Mercury(I) (mercurous) ion
Permanganate ion
Hg2+
Mercury(II) (mercuric) ion
# of Water
Prefix
1
Mono
2
Di
3
Tri
4
Tetra
5
Penta
6
Hexa
7
Hepta
8
Octa
9
Nona
10
Deca
Salts (Made of ions, neutral in charge)!
Name: (Cation)(anion) (prefix)hydrate (If # = 0 hydrate is omitted)
Formula: (Cation)m(Anion)n·(#)H2O (If # = 0 H2O is omitted)
Examples
Cations on the left, anions on the right, charge must cancel!
Strontium)Chloride)=)Strontium)ions)and)Chloride)ions)=)Sr+2)and)Cl)=)SrCl2!
Multiples of polyatomic ions require parenthesis!
Ammonium)Sulfate)=)Ammonium)ions)and)Sulfate)ions)=)NH4
+)and)SO4
2‐)=)(NH4)2SO4!
Calcium)Phosphate)=)Calcium)ions)and)Phosphate)ions)=)Ca2+)and)PO4
3‐)=)Ca3(PO4)2!
Waters of hydration (use table to left)!
copper(II))sulfate)pentahydrate)=)CuSO45H2O!
11
Undeca
!
pf2

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Common Cations, Anions, Acids, Salts and Hydrate Nomenclature

Cations (positive ions) Anions (negative ions) Acids (H+^ and anion)

H+^ Hydrogen ion (proton) H–^ Hydride ion NH 4 +^ Ammonium ion F–^ Fluoride ion…………………………………… … HF Hydrofluoric acid Main Group Ions Cl –^ Chloride ion…………………………………… … HCl Hydrochloric acid Li+^ Lithium ion Br –^ Bromide ion…………………………………… … HBr Hydrobromic acid Na+^ Sodium ion I –^ Iodide ion …………………………………… … HI Hydroiodic acid K+^ Potassium ion O^2 ^ Oxide ion Rb+^ Rubidium ion OH–^ Hydroxide ion Cs+^ Cesium ion O 22 –^ Peroxide ion Be2+^ Beryllium ion S^2 ^ Sulfide ion ……………………………………… H 2 S Hydrosulfuric acid Mg^2 Magnesium ion HS–^ Hydrogen sulfide ion Ca2+^ Calcium ion Se^2 ^ Selenide Ion Sr2+^ Strontium ion N^3 ^ Nitride ion Ba2+^ Barium ion N 3 –^ Azide ion AI3+^ Aluminum ion P^3 ^ Phosphide ion Sn2+^ Tin(II) (stannous) ion As^3 -^ Arsinide ion Sn4+^ Tin(IV) (stannic) ion C^4 ^ Carbide ion Pb2+^ Lead(II) (plumbous) ion CN–^ Cyanide ion…………………………………… … HCN Hydrocyanic Acid Pb4+^ Lead(IV) (plumbic) ion Oxoanions Oxoacids Sb3+^ Antimony(III) (antimonous) ion CIO 1 –^ Hypochlorite ion……………………………… … HCIO Hypochlorous acid Sb5+^ Antimony(V) (antimonic) ion CIO 2 –^ Chlorite ion…………………………………… … HCIO 2 Chlorous acid Bi3+^ Bismuth(III) (bismuthous) ion CIO 3 –^ Chlorate ion…………………………………… … HCIO 3 Chloric acid Bi5+^ Bismuth(V) (bismuthic) ion ClO 4 –^ Perchlorate ion ……………………………… … HClO 4 Perchloric acid Transition metal ions SO 32 –^ Sulfite ion……………………………………… … H 2 SO 3 Sulfurous acid Cr2+^ Chromium(II) (chromous) ion SO 42 –^ Sulfate ion ……………………………………… H 2 SO 4 Sulfuric acid Cr3+^ Chromium(III) (chromic) ion HSO 4 –^ Hydrogen sulfate ion (bisulfate ion) Mn2+^ Manganese(II) (manganous) ion S 2 O 32 -^ Thiosulfate ion …………………………………^ H 2 S 2 O 3 Thiosulfuric acid Mn3+^ Manganese(III) (manganic) ion NO 2 –^ Nitrite ion ………………………………………… HNO 2 Nitrous acid Fe2+^ Iron(II) (ferrous) ion NO 3 –^ Nitrate ion………………………………………… HNO 3 Nitric acid Fe3+^ Iron(III) (ferric) ion PO 33 –^ Phosphite ion………………………………… … H 3 PO 3 Phosphorous acid Co2+^ Cobalt(II) (cobaltous) ion PO 43 –^ Phosphate ion………………………………… … H 3 PO 4 Phosphoric acid Co3+^ Cobalt(III) (cobaltic) ion HPO 42 –^ (Mono)hydrogen phosphate ion Ni2+^ Nickel(II) (nickelous) ion H 2 PO 4 –^ Dihydrogen phosphate ion Ni3+^ Nickel(III) (nickelic) ion CO 32 –^ Carbonate ion………………………………… … H 2 CO 3 Carbonic Acid Cu+^ Copper(l) (cuprous) ion HCO 3 –^ Hydrogen carbonate ion (bicarbonate ion) Cu2+^ Copper(II) (cupric) ion C 2 O 42 –^ Oxalate ion ……………………………………… H 2 C 2 O 4 Oxalic acid Ag+^ Silver(I) ion NCO–^ Cyanate ion…………………………………… … HOCN Cyanic Acid Au+^ Gold(I) (aurous) ion OCN–^ Isocyanate ion…………………………………… HNCO Isocyanic acid Au3+^ Gold(III) (auric) ion SCN–^ Thiocyanate ion……………………………… … HNCS Thiocyanic Acid Zn2+^ Zinc ion CrO 42 –^ Chromate ion ………………………………… … H 2 CrO 4 Chromic acid Cd2+^ Cadmium ion Cr 2 O 72 –^ Dichromate ion ……………………………… … H 2 Cr 2 O 7 (Di)C hromic acid Hg 2 2+^ Mercury(I) (mercurous) ion MnO 4 –^ Permanganate ion Hg2+^ Mercury(II) (mercuric) ion # of Water Prefix 1 Mono 2 Di 3 Tri 4 Tetra 5 Penta 6 Hexa 7 Hepta 8 Octa 9 Nona 10 Deca

Salts (Made of ions, neutral in charge)

Name: (Cation)(anion) (prefix)hydrate (If # = 0 hydrate is omitted) Formula: (Cation)m(Anion)n·(#)H 2 O (If # = 0 H 2 O is omitted)

Examples

Cations on the left, anions on the right, charge must cancel Strontium Chloride = Strontium ions and Chloride ions = Sr+2^ and Cl‐^ = SrCl 2 Multiples of polyatomic ions require parenthesis Ammonium Sulfate = Ammonium ions and Sulfate ions = NH 4 +^ and SO 42 ‐^ = (NH 4 ) 2 SO 4 Calcium Phosphate = Calcium ions and Phosphate ions = Ca2+^ and PO 43 ‐^ = Ca 3 (PO 4 ) 2 Waters of hydration (use table to left) copper(II) sulfate pentahydrate = CuSO 4 ∙5H 2 O (^) 11 Undeca

Common Covalent Binary Inorganic Compounds

# of atoms Prefix Common Examples (element closest to fluorine goes on right)

1 Mono H 2 Hydrogen N 2 Nitrogen 2 Di O 2 Oxygen NH 3 Ammonia 3 Tri O 3 Ozone NO Nitrogen monoxide (Nitric Oxide) 4 Tetra H 2 O Water (Dihydrogen Monoxide) NO 2 Nitrogen dioxide 5 Penta F 2 Fluorine N 2 O Dinitrogen monoxide (Nitrous oxide) 6 Hexa HF Hydrogen fluoride N 2 O 2 Dinitrogen dioxide 7 Hepta Cl 2 Chlorine N 2 O 4 Dinitrogen tetroxide 8 Octa HCl Hydrogen chloride CO Carbon monoxide 9 Nona Br 2 Bromine CO 2 Carbon dioxide 10 Deca I 2 Iodine CCl 4 Carbon tetrachloride

Organic Nomenclature and Symbolism

(Other group prefixes)(longest chain prefix)(highest bond root)(most important group suffix) Bond Order Name Drawn Root Formula Carbon Chain Prefix 1 Single C-C ane CnH2n+2 # Systematic Common ** 2 Double C=C ene CnH2n 1 Methyl Formyl 3 Triple C C yne CnH2n- 2 Carbon has 4 bonds In formula: Groups - 1 H Other C-C bonds - 2 H (^) 2 Ethyl Acetyl 3 Propyl Propionyl Group Name Drawn Prefix Suffix 4 Butyl Butyryl Amine - NH 2 Amino amine 5 Pentyl Valeryl Ammonium ion - NH 3 +^ ammonium ion 6 Hexyl Caproyl 7 Heptyl Enanthyl Carboxylic acid* or - COOH or - CO 2 H^ Carboxyl oic acid 8 Octyl Caprylyl 9 Nonyl Pelargonyl Carboxylate ion * or - COO- (^) or - CO 2 -^ oate ion 10 Decyl Capryl Alcohol - OH Hydroxy ol Drop ‘yl’ from prefix for longest chain

**- F Fluoro

  • Cl Chloro
  • Br Bromo Halogen
  • I Iodo Aromatic** or C 6 H 5 or - Ф or - Ph Phenyl *Include carbon in chain prefix **Don’t use bond root (names only ane) Drop ‘o’ from carboxyl groups (‘ic’ and ‘ate’)

Examples

Name Formula Systematic Name Common Name Formula Name Formula Methane CH 4 Methanoic acid Formic acid HCO 2 H 1,2-Dichloroethane C 2 H 4 Cl 2 Ethane C 2 H 6 Ethanoic acid Acetic acid CH 3 CO 2 H Methylamine CH 3 NH 2 Propane C 3 H 8 Propanoic acid Propionic acid C 2 H 5 CO 2 H Methylammonium ion CH 3 NH 3 + Butane C 4 H 10 Butanoic acid Butyric acid C 3 H 7 CO 2 H 1,3-butadiene C 4 H 6 Pentane C 5 H 12 Pentanoic acid Valeric acid C 4 H 9 CO 2 H Hydroxyethanoic acid HOCH 2 CO 2 H Methanol CH 3 OH Methanoate ion Formate ion HCO 2 -^ Phenol C 6 H 5 OH Ethanol C 2 H 5 OH Ethanoate ion Acetate ion CH 3 CO 2 - Propanol C 3 H 7 OH Propanoate ion Propionate ion C 2 H 5 CO 2 -^ Special Names Formula Butanol C 4 H 9 OH Butanoate ion Butyrate ion C 3 H 7 CO 2 -^ Benzene C 6 H 6 Pentanol C 5 H 11 OH Pentanoate ion Valerate ion C 4 H 9 CO 2 -^ Toluene C 6 H 5 CH 3

Most Common Formula Representations (All represent ethanol)

Example C 2 H 6 O CH 3 CH 2 OH Name Molecular Formula Condensed Molecular Formula Structural Formula Line Formula