Need to know for chemistry

H+

Hydrogen

Li+

Lithium

Na+

Sodium

K+

Potassium

Cs+

Cesium

Ag+

Silver

Mg²+

Magnesium

Ca²+

Calcium

Sr²+

Strontium

Ba²+

Barium

Zn²+

Zinc

Cd²+

Cadmium

Al³+

Aluminum

H-

Hydride

F-

Fluoride

Cl-

Chloride

Br-

Bromide

I-

Iodide

O²-

Oxide

S²-

Sulfide

N³-

Nitride

Cr²+

Chromium(II)

Cr³+

Chromium(III)

Co²+

Cobalt(II)

Co³+

Cobalt(III)

Cu+

Copper(I)

Cu²+

Copper(II)

Fe²+

Iron(II)

Fe³+

Iron(III)

Pb²+

Lead(II)

Pb⁴+

Lead(IV)

Hg₂²+

Mercury (I)

Hg²+

Mercury(II)

Sn²+

Tin(II)

Sn⁴+

Tin(IV)

NH₄+

Ammonium

H₃O+

Hydronium

CH₃COO- or C₂H₃O₂-

Acetate

CN-

Cyanide

OH-

Hydroxide

ClO-

Hypochlorite

ClO₂-

Chlorite

ClO₃-

Chlorate

ClO₄-

Perchlorate

NO₂-

Nitrite

NO₃-

Nitrate

MnO₄-

Permanganate

CO₃²-

Carbonate

HCO₃-

Hydrogen carbonate

CrO₄²-

Chromate

Cr₂O₇²-

Dichromate

O²₂-

Peroxide

PO₄³-

Phosphate

HPO²₄-

Hydrogen phosphate

H₂PO₄-

Dihydrogen phosphate

SO²₃-

Sulfite

SO²₄-

Sulfate

HSO₄-

Hydrogen Sulfate

3 smallest noble gases

Helium Neon Argon (He Ne Ar)

CH₄

Methane

C₂H₆

Ethane

C₃H₈

Propane

C₄H₁₀

Butane

C₅H₁₂

Pentane

C₆H₁₄

Hexane

C₇H₁₆

Heptane

C₈H₁₈

Octane

C₉H₂₀

Nonane

C₁₀H₂₂

Decane