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MOLECULAR COMPOUNDS: - start with a NON-METAL - start with a NON-METAL - use PREFIXES in the name - use PREFIXES in the name P 2 O 5 diphosphorus pentoxide diphosphorus pentoxide
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UNIT 3UNIT 3
REVIEW REVIEW
all TWO element compounds all TWO element compounds (two capital letters) end in –(two capital letters) end in –IDE, whether molecular or IDE, whether molecular or ionicionic
NFNF33 nitrogen trifluor nitrogen trifluorideide
CaClCaCl22 calcium chlor calcium chlorideide
MOLECULAR COMPOUNDSMOLECULAR COMPOUNDS:: - start with a - start with a NON-METALNON-METAL - use - use PREFIXESPREFIXES in the name in the name
PP22OO5 5
didiphosphorus phosphorus pentpentoxideoxide
IONIC COMPOUNDS:IONIC COMPOUNDS: - start with a - start with a METALMETAL - - NONO prefixes in name prefixes in name - if given name write SYMBOL - if given name write SYMBOL
and CHARGE above names to and CHARGE above names to find formulafind formula
KF potassium fluorideKF potassium fluoride
MgMg2+ 2+ PP3-3-
magnesium phosphidemagnesium phosphide
MgMg33PP22
If the metal can have more If the metal can have more than one charge, use than one charge, use ROMAN NUMERALS in the ROMAN NUMERALS in the name:name:
CuCu2+2+ Cl Cl--
copper (II) chloride copper (II) chloride CuClCuCl22
if non-metal is if non-metal is POLYATOMIC IONPOLYATOMIC ION, , compound ends in compound ends in –ITE–ITE or or –ATE–ATE::
KNOKNO33 potassium nitr potassium nitrateate
NaNa22SOSO4 4 sodium sulf sodium sulfateate
CO2, O2-, F2, Na2SO4, PO43-, Na+,
C, KOH, Al3+ , P4, NO2-, Si, N2O5,
Fe2O3, Br-
Which are…Which are…Atoms?Atoms?Molecules ?Molecules ?Ions?Ions?Ionic compounds: Ionic compounds: Elements: Elements:
C Si
P4
CO2 F2 P4O2- PO4
3- Na+ Al3+ NO2- Br-
Fe2O3 Na2SO4 KOH
C Si
N2O5
F2
write formula and then name for:write formula and then name for:
NN22OO44
dinitrogen tetroxidedinitrogen tetroxide
SeFSeF22
selenium difluorideselenium difluoride
BB44CC
tetraboron tetraboron monocarbidemonocarbide
MgIMgI22
magnesium iodidemagnesium iodide
AgAg22SS
silver sulfidesilver sulfide
AlBrAlBr33
aluminum bromidealuminum bromide
sodium oxidesodium oxide
NaNa22OO
lithium phosphidelithium phosphide
LiLi33PP
LiNOLiNO33
lithium nitratelithium nitrate
beryllium arsenideberyllium arsenide
BeBe33AsAs22
iron(II) sulfideiron(II) sulfide
FeSFeS
chromium (III) chromium (III) fluoridefluoride
CrF3CrF3
lead (IV) hydridelead (IV) hydride
PbHPbH44
barium hydroxidebarium hydroxide
Ba(OH)Ba(OH)22
NiNNiN
nickel (III) nitridenickel (III) nitride
MnOMnO22
manganese (IV) manganese (IV) oxideoxide
KK33POPO44
potassium phosphatepotassium phosphate
TiClTiCl33
titanium (III) chloridetitanium (III) chloride
NHNH44FF
ammonium fluorideammonium fluoride
MgCOMgCO33
magnesium magnesium carbonatecarbonate
calcium chloratecalcium chlorate
Ca(ClOCa(ClO33))22
lithium phosphatelithium phosphate
LiLi33POPO44
aluminum nitratealuminum nitrate
Al(NOAl(NO33))33
Pb(NOPb(NO33))22
lead(II) nitratelead(II) nitrate
nitrogen triiodidenitrogen triiodide
NINI33
sodium sulfidesodium sulfide
NaNa22SS
SrSOSrSO44
strontium sulfatestrontium sulfate
carbon tetrachloridecarbon tetrachloride
CClCCl44
BBrBBr33
boron tribromideboron tribromide
nickel (III) carbonatenickel (III) carbonate
NiNi22(CO(CO33))33
zinc oxidezinc oxide
ZnOZnO
RbHRbH
rubidium hydriderubidium hydride