Elements, Ions, Polyatomic Ions and Acids

Chemical vocabulary including element classifications, diatomic elements, polyatomic ions, and acids with their corresponding formulas and charges.

Alkali Metals

Elements that form $1+$ cations, including Li, Na, K, Rb, Cs, and Fr.

Alkaline Earth Metals

Elements that form $2+$ cations, including Be, Mg, Ca, Sr, Ba, and Ra.

Other Metals

Metallic elements including Al, Sn, Pb, U, and Ga.

Metalloids

Elements including B, Si, Ge, As, Sb, Te, and Po.

Transitional Elements (Metals)

Metals that may vary in charge as ions, including Mn, Ni, Zn, Ag, Au, Hg, Cu, Fe, Cr, V, Pt, Co, Cd, and W.

Nonmetals

Elements including C, N, O, P, S, Se, and H.

Halogens

Nonmetals that all form $1-$ anions and elemental diatomics, including F, Cl, Br, and I.

Gases (Nonmetals)

Noble gases including He, Ne, Ar, Kr, Xe, and Rn.

Diatomic Refrain

Have No Fear Of Ice Cold Beer: $H_2$, $N_2$, $O_2$, $F_2$, $Cl_2$, $Br_2$, $I_2$.

$$NH_4^+$$

Ammonium

$$H_3O^+$$

Hydronium

$CH_3COO^-$ ($C_2H_3O_2^-$)

Acetate

$$CN^-$$

Cyanide

$$OH^-$$

Hydroxide

$$NO_2^-$$

Nitrite

$$NO_3^-$$

Nitrate

$$ClO^-$$

Hypochlorite

$$ClO_2^-$$

Chlorite

$$ClO_3^-$$

Chlorate

$$ClO_4^-$$

Perchlorate

$$CrO_4^{2-}$$

Chromate

$$Cr_2O_7^{2-}$$

Dichromate

$$C_2O_4^{2-}$$

Oxalate

$$CO_3^{2-}$$

Carbonate

$$HCO_3^-$$

Hydrogen carbonate (Bicarbonate)

$$SO_3^{2-}$$

Sulfite

$$HSO_3^-$$

Hydrogen sulfite (Bisulfite)

$$SO_4^{2-}$$

Sulfate

$$PO_4^{3-}$$

Phosphate

$$HF$$

hydrofluoric acid

$$HCl$$

hydrochloric acid

$$HBr$$

hydrobromic acid

$$HI$$

hydroiodic acid

$$H_3PO_4$$

phosphoric acid

$$HNO_3$$

nitric acid

$$HNO_2$$

nitrous acid

$$H_2SO_4$$

sulfuric acid

$$H_2SO_3$$

sulfurous acid

$$H_2CO_3$$

carbonic acid

$$HClO$$

hypochlorous acid

$$HClO_2$$

chlorous acid

$$HClO_3$$

chloric acid

$$HClO_4$$

perchloric acid

$HC_2H_3O_2$ ($CH_3COOH$)

acetic acid