Multiple ChoiceWhich of the following is the correct chemical formula for nickel(II) chloride?45views
Multiple ChoiceWhich of the following is the correct formula for the compound formed by calcium ions and chloride ions?41views
Multiple ChoiceWhich of the following pairs of elements would you expect to form an ionic bond?39views
Multiple ChoiceWhich of the following is the correct chemical formula for chromium(III) oxide?41views