front 1 metal + O2 | back 1 metal oxide |
front 2 nonmetal + O2 | back 2 nonmetal oxide |
front 3 Metal oxide + water | back 3 metal hydroxide |
front 4 nonmetal oxide + water | back 4 acid |
front 5 metal + nonmetal | back 5 salt (ionic compound) |
front 6 metal oxide + CO2 | back 6 metal carbonate |
front 7 metal chloride + O2 | back 7 metal chlorate |