离子化合物的性质 (The Properties of lonic Compounds) 高熔点 High melting points 高沸点 High boiling points 易脆性 brittleness 溶解性 Some are soluble, some not 「例]Ca3(PO)2:骨头的主要成分 The doubly charged small Ca ions, and the triply charged Po4 ions attract one another very strongly and clamp together to form a rigid, insoluble solid. (not completely insoluble, osteoporosis,骨质疏松症)离子化合物的性质 (The Properties of Ionic Compounds) • 高熔点 High melting points • 高沸点 High boiling points • 易脆性 Brittleness • 溶解性 Some are soluble, some not. [例] Ca3 (PO4 )2：骨头的主要成分 The doubly charged small Ca2+ ions, and the triply charged PO4 3- ions attract one another very strongly and clamp together to form a rigid, insoluble solid. (not completely insoluble, osteoporosis，骨质疏松症)