Chapter 2 Chemical Names

NH4+

Ammonium

NO2-

Nitrite

SO4-2

Sulfate

NO3-

Nitrate

OH-

Hydroxide

CN-

Cyanide

PO4-3

Phosphate

CO3-2

Carbonate

HCO3-

Hydrogen carbonate

C2H3O2-

Acetate

ClO4-

Perchlorate

How to name Molecular Compounds

nonmetals + nonmetals

nonmetals +metalloids

(never mono) Prefix + Name of first element Prefix+element

ex) CO2 carbon dioxide

Prefix

mono 1

di 2

tri 3

tetra 4

penta 5

hexa 6

hepta 7

octa 8

H20

water

NH3

ammonia

HF

HCl

HBr

HI

hydrofluoric acid

hydrochloric acid

hydrobromic acid

hydroiodic acid

Oxoacid

acid that has hydrogen oxygen and another element

HNO3

Nitric Acid

H2SO4

Sulfuric acid

H3PO4

Phosphoric acid

HC2H3O2

Acetic acid

bases

substance that gives up (OH-) when in water

hydrates

compound with a specific number of water molecules attached to them

what is a molecule

2 or more atoms held by a chemical bond

diatimic molecules (7)

H2

N2

O2

F2

Cl2

Br2

I2

HCl

CO

ion

atom with net + or - charge

cation

lost a e- and is now positive

anion

gained e-

now - charge

group 1 form ___ ion

group 2 form ___ ion

group 11 form ___ ion

group 12 form ___ ion

group 13 form ___ ion

group 15 form ___ ion

group 16 form ___ ion

group 17 form ___ ion

naming ionic

metal and nonmetal aka cation and anion

anion, add -ide

Ba+2 +Cl- = BaCl2 barium chloride

transition metal with non metal

transition metal can do more than 1 cation so we do roman numeral

FeCl2 Iron (II) Chloride

FeCl3 Iron (III) Chloride

compounds with polyatomic ions

Just write down both of the names

Na2CO3 sodium carbonate

NO PREFIX NO ROMAN NUMERAL