AcidsAcids

Writing names and FormulasWriting names and Formulas

AcidsAcids

Compounds that give off hydrogen ions Compounds that give off hydrogen ions when dissolved in water.when dissolved in water.

Must have H in them.Must have H in them.H will always be next to an anion.H will always be next to an anion.The anion determines the name.The anion determines the name.

Naming acidsNaming acids

If the anion attached to hydrogen ends If the anion attached to hydrogen ends in -ide, put the prefix hydro- and in -ide, put the prefix hydro- and change -ide to -ic acidchange -ide to -ic acid

HCl -> hydrogen ion and chloride ionHCl -> hydrogen ion and chloride ionHydrochloric acidHydrochloric acid

HH22S -> hydrogen ion and sulfide ionS -> hydrogen ion and sulfide ion

Hydrosulfuric acidHydrosulfuric acid

Naming AcidsNaming Acids

If the anion has oxygen in itIf the anion has oxygen in it it ends in -ate or -iteit ends in -ate or -itechange the suffix change the suffix -ate -ate to to -ic acid-ic acidHNOHNO33 -> Hydrogen and nitr -> Hydrogen and nitrateate ions ions

NitrNitric acidic acidchange the suffix change the suffix -ite -ite to to -ous acid-ous acidHNOHNO22 -> Hydrogen and nitr -> Hydrogen and nitriteite ions ions

NitrNitrous acidous acid

Name theseName these

HFHFHH33PPHH22SOSO44 HH22SOSO33 HCNHCNHH22CrOCrO44

Hydrofluoric AcidHydrofluoric AcidHydrophosphoric AcidHydrophosphoric AcidSulfuric AcidSulfuric AcidSulfurous AcidSulfurous AcidHydrocyanic Acid*Hydrocyanic Acid*Chromic AcidChromic Acid

Writing FormulasWriting Formulas

Hydrogen will always be firstHydrogen will always be firstThe name will tell you the anionThe name will tell you the anionMake the charges cancel out.Make the charges cancel out.Starts with hydro- no oxygen, -ideStarts with hydro- no oxygen, -ideNo hydro, No hydro, -ate -ate comes from comes from -ic-ic, , -ite -ite

comes from comes from -ous-ous

Write formulas for theseWrite formulas for these

hydroiodic acidhydroiodic acidacetic acidacetic acidcarbonic acidcarbonic acidphosphorous phosphorous

acidacidhydrobromic hydrobromic

acidacid

HIHIHCHC22HH33OO22

HH22COCO33

HH33POPO33

HBrHBr

BasesBases

Writing names and FormulasWriting names and Formulas

BasesBases

Ionic compounds that produces Ionic compounds that produces hydroxide ions (OHhydroxide ions (OH--) when ) when dissolved in water.dissolved in water.

Must have OH in them.Must have OH in them.OH will always be next to a cation.OH will always be next to a cation.Name bases like other ionic Name bases like other ionic

compoundscompoundsName of cation followed by name of Name of cation followed by name of

anionanion

Writing FormulasWriting Formulas

Cation will always be firstCation will always be firstFollowed by the correct number of Followed by the correct number of

OHOH-- ions ionsMake the charges cancel out.Make the charges cancel out.Example:Example: Aluminum HydroxideAluminum Hydroxide

AlAl+3+3 and OH and OH--

Al(OH)Al(OH)33

Write the name or formulaWrite the name or formula

Lithium Lithium HydroxideHydroxide

Mg(OH)Mg(OH)22

Lead (II) Lead (II) HydroxideHydroxide

Sn(OH)Sn(OH)44

Zn(OH)Zn(OH)22

LiOHLiOHMagnesium Magnesium

hydroxidehydroxidePb(OH)Pb(OH)22

Stannic Stannic hyrdroxidehyrdroxide

Zinc hydroxideZinc hydroxide

You have a Flowchart like this

on page 277 & 278 of your book