S2K - Acids and Bases (strong/weak)

HCl (hydrochloric)

HCl (hydrochloric)

Strong acid

HBr (hydrobromic)

Strong acid

HI (hydroiodic)

Strong acid

HNO3 (nitric)

Strong acid

H2SO4 (sulfuric)

Strong acid

H3PO4 (phosphoric)

Strong acid

HClO4 (perchloric)

Strong acid

HF (hydrofluoric)

Weak acid

H2CO3 (carbonic)

Weak acid

HNO2 (nitrous)

Weak acid

H2SO3 (sulfurous)

Weak acid

HClO3 (chloric)

Weak acid

HClO2 (chlorous)

Weak acid

HClO (hypochlorous)

Weak acid

HC2H3O2 (acetic)

Weak acid

All organic acids (C + H, O, and N)

Weak acids

Group 1 metal hydroxides

Strong bases

Heavy group 2 metal hydroxides (Ca, Sr, Ba)

Strong bases

Fr and Ra

Neither - radioactive

NH4OH (ammonium hydroxide)

Strong base

NH3 (ammonia)

Weak base

All nitrogen bases (ex: C3H3N)

Weak bases