Na K Li Mg Al H S O B 2+ Br Ca Cl Si C P N Be F 1- Write the charge on the usual ion =) Element Ne Mg Si Cl O P K B no ions ? 2- ? 2+ ? 3+ ? 4+ ? 1- ? 3- ? 1+ ? Charge on the ion Number of valence electrons Electron Donor or Stealer?? neither! stealer donor Match the charge on the usual ion =) AlCl Put numbers in the formula to give a neutral molecule H O BF BeBr MgCl Na CaCl SiO CH S MnO4- C2H3O2- SO2− 4 NH4+ NO2− SO2− 3 ClO- 2 CN- ClO- 3 permanganate ion ? ammonium ion ? sulphate ion ? chlorite ion ? sulphite ion ? chlorate ion ? acetate ion ? nitrite ion ? cyanide ? CO2− 3 OCN- NO3− CrO42- OH- PO43- Cl− S2− N3– carbonate ion ? hydroxide ion ? phosphate ion ? sulphide ion ? chromate ion ? chloride ion ? cyanate ion ? nitride ion ? nitrate ion ? Match the name & the formula =) MnO4- ? NH4+ ? C2H3O2- ? SO2− 4 ? SO2− 3 ? ClO- 3 ? NO2− ? ClO- 2 ? CN- ? permanganate ion ammonium ion sulphate ion chlorite ion sulphite ion chlorate ion acetate ion nitrite ion cyanide OCN- ? CO2− 3 ? OH- ? CrO42- ? PO43- ? NO3− ? S2− ? N3– ? Cl− ? carbonate ion hydroxide ion phosphate ion sulphide ion chromate ion chloride ion cyanate ion nitride ion nitrate ion Match the name & the formula =) |