Multiple ChoiceWhat is the name given to an atom that gains or loses electrons in a chemical reaction?36views
Multiple ChoiceWhich of the following lists all the ions present in the reactants when calcium chloride and sodium phosphate are dissolved in water?29views
Multiple ChoiceWhich of the following best describes what it means for two species to be isoelectronic?34views
Multiple ChoiceWhich of the following best describes the difference between a cation and an anion?32views