NAMING COMPOUNDS PRACTICE WORKSHEET NAME:______

1.  Symbols and names of elements. Give the symbol, common ionic charge and if it is a metal or nonmetal.

Name of Atom / symbol / Common ionic charge / Name of Ion / Metal or nonmetal
Carbon / C / +4/ -4 / Carbon (positive)/ carbide (negative) / nonmetal
Helium / He / 0 / Helium / Nonmetal
Hydrogen / H / +1/-1 / Hydrogen (positive)/ hydride (negative) / Nonmetal
Calcium / Ca / +2 / Calcium / Metal
Iron / Fe / +2/+3 / Iron (II) or Iron (III) / Metal
Fluorine / F / -1 / Fluoride / Nonmetal
Chlorine / Cl / -1 / Chloride / Nonmetal
Copper / Cu / +1/+2 / Copper (I) or Copper (II) / Metal
Argon / Ar / 0 / Argon / Nonmetal
Krypton / Kr / 0 / Krypton / Nonmetal
Potassium / K / +1 / Potassium / Metal
Iodine / I / -1 / Iodide / Nonmetal
Phosphorus / P / -3 / Phosphide / Nonmetal
Boron / B / +3 / Boron / Nonmetal

2.  Writing formulas or naming binary ionic compounds. Be sure all formulas are neutral.

name / formula / Name or formula / Formula or name
Sodium nitride / Na3N / Iron (III) oxide / Fe2O3
Calcium fluoride / CaF2 / Copper (II) chloride / CuCl2
Aluminum sulfide / Al2S3 / Tin (II) sulfide / SnS
Magnesium selenide / MgSe / NaCl / Sodium chloride
Potassium oxide / K2O / Al2O3 / Aluminum oxide
Lithium bromide / LiBr / KCl / Potassium chloride
Strontium phosphide / Sr3P2 / Ag2S / Silver sulfide

3.  Writing names or formulas for substances containing polyatomic ions. Be sure all formulas that you write have a net charge of zero.

name / formula / formula / name
Sodium sulfate / Ba(OH)2
Calcium acetate / Al(NO3)3
Ammonium sulfide / (NH4)3PO4
Iron (III) chlorate / Ca(HCO3)2
Ammonium carbonate / K2SO4
Tin (II) phosphate / NaC2H3O2

4.  Writing formulas or names for molecular compounds

formula / name / name / Formula
SiC / Silicon carbide / Sulfur trioxide / SO3
CCl4 / Carbon tetrachloride / Dinitrogen tetraoxide / N2O4
SF6 / Sulfur hexafluoride / Carbon dioxide / CO2
SiO2 / Silicon dioxide / Phosphorus pentachloride / PCl5

5.  Practice test. If the formula is given, give the name. If the name is given, give the formula. Be sure that the formula has no net charge on it.

formula / name / name / formula
MgCl2 / Nitrogen trifluoride
Ca(NO3)2 / Iron (II) hydroxide
(NH4)2O / Ammonium chlorate
SO2 / Lithium phosphate