Naming binary and ternary compounds

Chap 8 Naming Binary Compounds

Binary Ionic Compounds Contain 2 different elements Name 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 ZnI 2 zinc iodide Al 2 O 3 aluminum oxide

Learning Check N1 Complete the names of the following binary compounds: Na 3 N sodium ________________ KBr potassium________________ Al 2 O 3 aluminum ________________ MgS _________________________

Solution N1 Complete the names of the following binary compounds: Na 3 N sodium nitride KBr potassium bromide Al 2 O 3 aluminum oxide MgS magnesium sulfide

Transition Metals Most form 2 or more positive ions 1+ 2+ 1+ or 2+ 2+ or 3+ Ag + Cd 2+ Cu + , Cu 2+ Fe 2+ , Fe 3+ silver cadmium copper(I) ion iron(II) ion ion ion copper (II) ion iron(III) ion Zn 2+ 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 FeCl 3 (Fe 3+ ) iron (III) chloride CuCl (Cu + ) copper (I) chloride SnF 4 (Sn 4+ ) tin (IV) fluoride PbCl 2 (Pb 2+ ) lead (II) chloride Fe 2 S 3 (Fe 3+ ) iron (III) sulfide

Learning Check N2 Name the following compounds: A. CaO 1) calcium oxide 2) calcium(I) oxide 3) calcium (II) oxide B. SnCl 4 1) tin tetrachloride 2) tin(II) chloride 3) tin(IV) chloride C. Co 2 O 3 1) cobalt oxide 2) cobalt (III) oxide 3) cobalt trioxide

Solution N2 Name the following compounds: A. CaO 1) calcium oxide B. SnCl 4 3) tin(IV) chloride C. Co 2 O 3 2) cobalt (III) oxide

Learning Check N3 Complete the names of the following binary compounds with variable metal ions: FeBr 2 iron (_____) bromide Cu 2 O copper (_____) oxide SnCl 4 ___(_____ ) ______________ Fe 2 O 3 ________________________ CuS ________________________

Solution N3 Complete the names of the following binary compounds with variable metal ions: FeBr 2 iron ( II ) bromide Cu 2 O copper ( I ) oxide SnCl 4 tin (IV) chloride Fe 2 O 3 iron (III) oxide CuS copper (II) sulfide

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

Learning Check N4 CO carbon ______oxide CO 2 carbon _______________ PCl 3 phosphorus _______chloride CCl 4 carbon ________chloride N 2 O _____nitrogen _____oxide

Solution N4 CO carbon mon oxide CO 2 carbon di oxide PCl 3 phosphorus tri chloride CCl 4 carbon tetra chloride N 2 O di nitrogen mon oxide

Learning Check N5 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 N5 A. P 2 O 5 3) diphosphorus pentoxide B. Cl 2 O 7 1) dichlorine heptoxide C. Cl 2 1) chlorine

Naming Ternary Compounds Contain at least 3 elements Name the nonmetals as a polyatomic ion 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 - nitr ate NO 2 - nitr ite CO 3 2- ______________ HCO 3 - hydrogen carbonate (bicarbonate)

Learning Check N6 Match each set with the correct name: A. Na 2 CO 3 1) magnesium sulfite MgSO 3 2) magnesium sulfate MgSO 4 3) sodium carbonate B. Ca(HCO 3 ) 2 1) calcium carbonate CaCO 3 2) calcium phosphate Ca 3 (PO 4 ) 2 3) calcium bicarbonate

Solution N6 A. Na 2 CO 3 3) sodium carbonate MgSO 3 1) magnesium sulfite MgSO 4 2) magnesium sulfate B. Ca(HCO 3 ) 2 3) calcium bicarbonate CaCO 3 1) calcium carbonate Ca 3 (PO 4 ) 2 2) calcium phosphate

Learning Check N7 A. aluminum nitrate 1) AlNO 3 2) Al(NO) 3 3) Al(NO 3 ) 3 B. copper(II) nitrate 1) CuNO 3 2) Cu(NO 3 ) 2 3) Cu 2 (NO 3 ) C. Iron (III) hydroxide 1) FeOH 2) Fe 3 OH 3) Fe(OH) 3 D. Tin(IV) hydroxide 1) Sn(OH) 4 2) Sn(OH) 2 3) Sn 4 (OH )

Solution N7 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

Naming binary and ternary compounds

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Naming binary and ternary compounds