Multiple ChoiceWhich of the following is the correct formula for the most stable oxide of francium?30views
Multiple ChoiceWhat is the ratio of sodium ions to bromide ions in a neutral compound of sodium bromide?35views
Multiple ChoiceCalcium chloride contains only calcium and chloride ions. What is the correct chemical formula for this compound?48views
Multiple ChoiceDeodorants contain a compound called aluminum hydroxide. What is its chemical formula?34views