20Group 1 Group 2 MetalsEasy1 markTrends are seen in the physical and chemical properties of the elements of Group 2 and their compounds. Which property shows an increase from magnesium to barium?Athe electronegativity of the elementsBthe solubility of the hydroxidesCthe solubility of the sulfatesDthe first ionisation energy of the elementsGrade answerSolutionGrading criteria