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Naming Ionic and Covalent (molecular)
Compounds
Metal ions have the same name as the element Sodium atoms sodium ions Aluminum atoms aluminum ions
Nonmetals ions have same root as the element, but add –ide as a suffix Chlorine atoms chloride ions Sulfur atoms sulfide ions
Contain 2 different elementsName the metal ion first, then the
nonmetal ion (with –ide).Use name of a metal with a fixed
chargeGroups 1, 2, 13, 14and Ag, Zn,
Examples:NaCl sodium chlorideZnI2 zinc iodideAl2O3 aluminum oxide
Complete the names of the following binary compounds:Na3N _________________________
KBr _________________________
Al2O3 _________________________
MgS _________________________
Complete the names of the following binary compounds:Na3N sodium nitride
KBr potassium bromide
Al2O3 aluminum oxide
MgS magnesium sulfide
Most form 2 or more positive ions
1+ 2+ 1+ or 2+ 2+ or
3+
Ag+ Zn2+ Cu+, Cu2+ Fe2+, Fe3+
silver zinc copper(I) ion iron(II) ion ion ion copper (II) ion iron(III) ion
2+ 4+
Sn2+ Sn4+ tin (II) tin (IV) Pb2+ Pb4+ lead (II) lead (IV)
-Use a roman number after the name of a metal that forms two or more ions-Transition metals and the metals in groups 14 and 15
FeCl3 (Fe3+) iron (III) chloride
CuCl (Cu+ ) copper (I) chlorideSnF4 (Sn4+) tin (IV) fluoride
PbCl2 (Pb2+) lead (II) chloride
Fe2S3 (Fe3+) iron (III) sulfide
Name the following compounds:A. CaO
1) calcium oxide 2) calcium(I) oxide3) calcium (II) oxide
B. SnCl4 1) tin tetrachloride 2) tin(II) chloride 3) tin(IV) chloride
C. CuO1) copper (I) oxide 2) copper (II) oxide3) copper oxide
Name the following compounds:A. CaO
a) calcium oxide
B. SnCl4
b) tin (IV) chloride
C. CuO
c) copper (II) oxide
Complete the names of the following binary compounds with variable metal ions:
FeBr2 iron (_____) bromide
Cu2O copper (_____) oxide
SnCl4 ___(_____ ) ______________
Fe2O3 ________________________
CuS ________________________
Complete the names of the following binary compounds with variable metal ions:
FeBr2 iron ( II ) bromide
Cu2O copper ( I ) oxide
SnCl4 tin (IV) chloride
Fe2O3 iron (III) oxide
CuS copper (II) sulfide
A group of atoms with an overall charge.
NH4+ ammonium OH- hydroxide
NO3- nitrate SO4
2- sulfate
CO32- carbonate
HCO3- hydrogen carbonate (bicarbonate)
Nomenclature of ternary ionic compounds
Contain at least 3 elements Name the nonmetals as a polyatomic ion Examples:
NaNO3
Sodium nitrate
K2SO4
Potassium sulfate
Al(HCO3)3
Aluminum hydrogen
carbonate
Nomenclature of binary ionic compounds
NaHCO3 K2SO4 Ca(CH3COO)2 KCN Fe3(PO4)2
Ca(OH)2 (NH4)2CO3 Zn(NO3)2 Li3PO4 CuNO3
Naming salts composed of the polyatomic ions is the same as with the monatomic anions. Metal name then polyatomic name.
NaOH sodium hydroxide Ba(NO3)2 barium
nitrate
H2SO4 hydrogen sulfate CsNO3 cesium nitrate
KHCO3 potassium hydrogen carbonateNote: the polyatomic anions must be memorized.
Name the following ionic compounds:
Nomenclature of ternary ionic compounds
NaHCO3 = sodium hydrogen carbonate
K2SO3 = potassium sulfite
Ca(CH3COO)2 = calcium acetate
KCN = potassium cyanide
Fe3(PO4)2 = iron (II) phosphate
Ca(OH)2 = calcium hydroxide
NH4CO3 = ammonium carbonate
Zn(NO3)2 = zinc nitrate
Li3PO4 = lithium phosphate
CuNO3 = copper (I) nitrate
Answers:
Match each set with the correct name:A. Na2CO3 1) magnesium sulfite
MgSO3 2) magnesium sulfate
MgSO4 3) sodium carbonate
B. Ca(HCO3)2 1) calcium carbonate
CaCO3 2) calcium phosphate
Ca3(PO4)2 3) calcium bicarbonate
A. Na2CO3 1) sodium carbonate
Mg(NO3)2 2) magnesium
nitrate
MgSO4 3) magnesium sulfate
B. Ca(HCO3)2 1) calcium bicarbonate
CaCO3 2) calcium carbonate
Ca3(PO4)2 3) calcium phosphate
A. aluminum nitrate 1) AlNO3 2) Al(NO)3 3) Al(NO3)3
B. copper(II) nitrate 1) CuNO3 2) Cu(NO3)2 3) Cu2(NO3)
C. Iron (III) hydroxide
1) FeOH 2) Fe3OH 3) Fe(OH)3
D. Tin(IV) hydroxide
1) Sn(OH)4 2) Sn(OH)2 3) Sn4(OH)
A. aluminum nitrate 3) Al(NO3)3
B. copper(II) nitrate
2) Cu(NO3)2
C. Iron (III) hydroxide
3) Fe(OH)3
D. Tin(IV) hydroxide 1) Sn(OH)4
Two nonmetalsName each element End the last element in -ideAdd prefixes to show more than 1 atom (no
mono if only 1 atom of 1st element)Prefixesmon(o) 1 hexa 6 di 2 hepta 7tri 3 octa 8tetra 4 nano
9 penta 5 deca 10
CO carbon ______oxide
CO2 carbon _______________
PCl3 phosphorus _______chloride
CCl4 carbon ________chloride
N2O _____nitrogen _____oxide
CO carbon monoxide
CO2 carbon dioxide
PCl3 phosphorus trichloride
CCl4 carbon tetrachloride
N2O dinitrogen monoxide
A. P2O5 1) phosphorus oxide2) phosphorus pentoxide3) diphosphorus
pentoxide
B. Cl2O7 1) dichlorine heptoxide
2) dichlorine oxide3) chlorine heptoxide
C. Cl2 1) chlorine2) dichlorine3) dichloride
A. P2O5 3) diphosphorus
pentoxide
B. Cl2O7 1) dichlorine
heptoxide
C. Cl2 1) chlorine