Chemical Formulae of Ions and Covalent Substances

chem hater thru and thru

Lithium ion

Li⁺

Sodium ion

Na⁺

Potassium ion

K⁺

Rubidium ion

Rb⁺

Silver ion

Ag⁺

Ammonium ion

NH₄⁺

Hydrogen ion (proton)

H⁺

Magnesium ion

Mg²⁺

Calcium ion

Ca²⁺

Barium ion

Ba²⁺

Zinc ion

Zn²⁺

Copper(II) ion

Cu²⁺

Iron(II) ion

Fe²⁺

Lead(II) ion

Pb²⁺

Aluminium ion

Al³⁺

Iron(III) ion

Fe³⁺

Chromium(III) ion

Cr³⁺

Hydride ion

H⁻

Fluoride ion

F⁻

Chloride ion

Cl⁻

Bromide ion

Br⁻

Iodide ion

I⁻

Astatide ion

At⁻

Hydroxide ion

OH⁻

Nitrate ion

NO₃⁻

Ethanoate (acetate) ion

CH₃COO⁻

Manganate(VII) ion

MnO₄⁻

Oxide ion

O²⁻

Nitride ion

N³⁻

Sulfide ion

S²⁻

Sulfite ion

SO₃²⁻

Sulfate ion

SO₄²⁻

Carbonate ion

CO₃²⁻

Thiosulfate ion

S₂O₃²⁻

Phosphate ion

PO₄³⁻

Hydrogen (element)

H₂

Nitrogen (element)

N₂

Fluorine (element)

F₂

Chlorine (element)

Cl₂

Bromine (element)

Br₂

Iodine (element)

I₂

Astatine (element)

At₂

Oxygen (element)

O₂

Sulfur (element)

S₈

Phosphorus (element)

P₄

Water

H₂O

Methane

CH₄

Ammonia

NH₃

Hydrochloric acid (hydrogen chloride)

HCl

Nitric acid

HNO₃

Sulfuric acid

H₂SO₄

Ethanoic acid (acetic acid)

CH₃COOH

Phosphoric acid

H₃PO₄

Methanol

CH₃OH

Ethanol

C₂H₅OH

Hydrogen peroxide

H₂O₂

Carbon monoxide

CO

Carbon dioxide

CO₂

Nitrogen monoxide (nitric oxide)

NO

Nitrogen dioxide

NO₂

Sulfur dioxide

SO₂

Sulfur trioxide

SO₃