Multiple ChoiceWhich of the following is the correct formula for the most stable oxide of francium?37views
Multiple ChoiceWhat is the ratio of sodium ions to bromide ions in a neutral compound of sodium bromide?46views
Multiple ChoiceCalcium chloride contains only calcium and chloride ions. What is the correct chemical formula for this compound?62views
Multiple ChoiceDeodorants contain a compound called aluminum hydroxide. What is its chemical formula?39views