Chap 8 Naming Binary Compounds Binary Ionic Compounds

Chap 8 Naming Binary Compounds

Binary Ionic Compounds l Contain 2 different elements l Name the metal first, then the nonmetal as -ide. l Use name of a metal with a fixed charge Groups 1 A, 2 A, 3 A and Ag, Zn, and Cd Examples: Na. Cl sodium chloride Zn. I 2 zinc iodide Al 2 O 3 aluminum oxide

Learning Check N 1 Complete the names of the following binary compounds: Na 3 N sodium ________ KBr potassium________ Al 2 O 3 aluminum ________ Mg. S _____________

Solution N 1 Complete the names of the following binary compounds: Na 3 N sodium nitride KBr potassium bromide Al 2 O 3 aluminum oxide Mg. S magnesium sulfide

Transition Metals Most form 2 or more positive ions 1+ Ag+ silver ion 2+ 1+ or 2+ Cd 2+ cadmium ion Cu+, Cu 2+ Fe 2+, Fe 3+ copper(I) ion iron(II) ion copper (II) ion iron(III) ion Zn 2+ zinc ion 2+ or 3+

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 4 A and 5 A Fe. Cl 3 (Fe 3+) iron (III) chloride Cu. Cl Sn. F 4 Pb. Cl 2 Fe 2 S 3 (Cu+ ) (Sn 4+) (Pb 2+) (Fe 3+) copper (I) chloride tin (IV) fluoride lead (II) chloride iron (III) sulfide

Learning Check N 2 Name the following compounds: A. Ca. O 1) calcium oxide 2) calcium(I) oxide 3) calcium (II) oxide B. Sn. Cl 4 1) tin tetrachloride 3) tin(IV) chloride 2) tin(II) chloride C. Co 2 O 3 1) cobalt oxide 3) cobalt trioxide 2) cobalt (III) oxide

Solution N 2 Name the following compounds: A. Ca. O 1) calcium oxide B. Sn. Cl 4 3) tin(IV) chloride C. Co 2 O 3 2) cobalt (III) oxide

Learning Check N 3 Complete the names of the following binary compounds with variable metal ions: Fe. Br 2 iron (_____) bromide Cu 2 O copper (_____) oxide Sn. Cl 4 ___(_____ ) _______ Fe 2 O 3 ____________ Cu. S ____________

Solution N 3 Complete the names of the following binary compounds with variable metal ions: Fe. Br 2 iron ( II ) bromide Cu 2 O copper ( I ) oxide Sn. Cl 4 tin (IV) chloride Fe 2 O 3 iron (III) oxide Cu. S copper (II) sulfide

Naming Binary Covalent Compounds Two nonmetals l. Name each element l. End the last element in -ide l. Add prefixes to show more than 1 atom Prefixes mon 1 penta 5 di 2 hexa 6 tri 3 tetra 4

Learning Check N 4 CO carbon ______oxide CO 2 carbon ________ PCl 3 phosphorus _______chloride CCl 4 carbon ____chloride N 2 O _____nitrogen _____oxide

Solution N 4 CO carbon monoxide CO 2 carbon dioxide PCl 3 phosphorus trichloride CCl 4 carbon tetrachloride N 2 O dinitrogen monoxide

Learning Check N 5 A. P 2 O 5 1) phosphorus oxide 2) phosphorus pentoxide 3) diphosphorus pentoxide B. Cl 2 O 7 1) dichlorine heptoxide 2) dichlorine oxide 3) chlorine heptoxide C. Cl 2 1) chlorine 2) dichlorine 3) dichloride

Solution N 5 A. P 2 O 5 3) diphosphorus pentoxide B. Cl 2 O 7 1) dichlorine heptoxide C. Cl 2 1) chlorine

Naming Ternary Compounds l Contain at least 3 elements l Name the nonmetals as a polyatomic ion l Examples: Na. NO 3 Sodium nitrate K 2 SO 4 Potassium sulfate Al(HCO 3)3 Aluminum bicarbonate or aluminum hydrogen carbonate

Polyatomic Ions A group of atoms with an overall charge. NH 4+ ammonium OH- hydroxide NO 3 - nitrate NO 2 - nitrite CO 32 - _______ HCO 3 - hydrogen carbonate (bicarbonate)

Learning Check N 6 Match each set with the correct name: A. Na 2 CO 3 1) magnesium sulfite Mg. SO 3 2) magnesium sulfate Mg. SO 4 3) sodium carbonate B. Ca(HCO 3)2 1) calcium carbonate Ca. CO 3 Ca 3(PO 4)2 2) calcium phosphate 3) calcium bicarbonate

Solution N 6 A. B. Na 2 CO 3 3) sodium carbonate Mg. SO 3 1) magnesium sulfite Mg. SO 4 2) magnesium sulfate Ca(HCO 3)2 3) calcium bicarbonate Ca. CO 3 Ca 3(PO 4)2 1) calcium carbonate 2) calcium phosphate

Learning Check N 7 A. aluminum nitrate 1) Al. NO 3 2) Al(NO)3 3) Al(NO 3)3 B. copper(II) nitrate 1) Cu. NO 3 2) Cu(NO 3)2 3) Cu 2(NO 3) C. Iron (III) hydroxide 1) Fe. OH 2) Fe 3 OH D. Tin(IV) hydroxide 1) Sn(OH)4 2) Sn(OH)2 3) Fe(OH)3 3) Sn 4(OH)

Solution N 7 A. aluminum nitrate 3) Al(NO 3)3 B. copper(II) nitrate 2) Cu(NO 3)2 C. Iron (III) hydroxide 3) Fe(OH)3 D. Tin(IV) hydroxide 1) Sn(OH)4