Chap 8

Naming Binary Compounds

Binary Ionic Compounds

Contain 2 different elementsName the metal first, then the nonmetal as -ide.

Use name of a metal with a fixed charge

Groups 1A, 2A, 3A

and Ag, Zn, and Cd

Examples:

NaCl sodium chloride

ZnI2 zinc iodide

Al2O3 aluminum oxide

Learning Check N1

Complete the names of the following binary compounds:

Na3N sodium ________________

KBr potassium________________

Al2O3 aluminum ________________

MgS _________________________

Solution N1

Complete the names of the following binary compounds:

Na3N sodium nitride

KBr potassium bromide

Al2O3 aluminum oxide

MgS magnesium sulfide

Transition Metals

Most form 2 or more positive ions

1+ 2+ 1+ or 2+ 2+ or 3+

Ag+ Cd2+ Cu+, Cu2+ Fe2+, Fe3+

silver cadmium copper(I) ion iron(II) ion

ion ion copper (II) ion iron(III) ion

Zn2+

zinc ion

Names of Variable Ions

Use a roman number after the name of a metal that forms two or more ions

Transition metals and the metals in groups 4A and 5A

FeCl3 (Fe3+) iron (III) chloride

CuCl (Cu+ ) copper (I) chloride

SnF4 (Sn4+) tin (IV) fluoride

PbCl2 (Pb2+) lead (II) chloride

Fe2S3 (Fe3+)iron (III) sulfide

Learning Check N2

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. Co2O3

1) cobalt oxide 2) cobalt (III) oxide3) cobalt trioxide

Solution N2

Name the following compounds:

A. CaO 1) calcium oxide

B. SnCl4 3) tin(IV) chloride

C. Co2O3 2) cobalt (III) oxide

Learning Check N3

Complete the names of the following binary

compounds with variable metal ions:

FeBr2 iron (_____) bromide

Cu2O copper (_____) oxide

SnCl4 ___(_____ ) ______________

Fe2O3 ________________________

CuS ________________________

Solution N3

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

Naming Binary Covalent Compounds

Two nonmetalsName each element End the last element in -ideAdd prefixes to show more than 1 atom

Prefixesmon 1 penta 5di 2 hexa 6tri 3tetra 4

Learning Check N4

CO carbon ______oxide

CO2 carbon _______________

PCl3 phosphorus

_______chloride

CCl4 carbon ________chloride

N2O _____nitrogen _____oxide

Solution N4

CO carbon monoxide

CO2 carbon dioxide

PCl3 phosphorus trichloride

CCl4 carbon tetrachloride

N2O dinitrogen monoxide

Learning Check N5

A. P2O5 1) phosphorus oxide2) phosphorus pentoxide3) diphosphorus

pentoxide

B. Cl2O7 1) dichlorine heptoxide2) dichlorine oxide3) chlorine heptoxide

C. Cl2 1) chlorine2) dichlorine3) dichloride

Solution N5

A. P2O5 3) diphosphorus

pentoxide

B. Cl2O7 1) dichlorine heptoxide

C. Cl2 1) chlorine

Naming Ternary CompoundsContain at least 3 elementsName the nonmetals as a polyatomic ionExamples:

NaNO3 Sodium nitrate

K2SO4 Potassium sulfate

Al(HCO3)3 Aluminum bicarbonate

or aluminum hydrogen

carbonate

Polyatomic Ions

A group of atoms with an overall charge.

NH4+ ammonium OH- hydroxide

NO3- nitrate NO2

- nitrite

CO32- ______________

HCO3- hydrogen carbonate (bicarbonate)

Learning Check N6

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

Solution N6

A. Na2CO3 3) sodium carbonate

MgSO3 1) magnesium sulfite

MgSO4 2) magnesium sulfate

B. Ca(HCO3)2 3) calcium bicarbonate

CaCO3 1) calcium carbonate

Ca3(PO4)2 2) calcium phosphate

Learning Check N7

A. aluminum nitrate

1) AlNO3 2) Al(NO)3 3) Al(NO3)3

B. copper(II) nitrate

1) CuNO32) 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)

Solution N7

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