The amount of matter in an object - mass , The space occupied by an object - volume, Any thing that has mass and volume - matter, The mass of a unit volume - density, the density of water is ... - 1 gm/cm3, we can differentiate between silver and gold by their ...... - color , A very active metal  - Potassium ,

quick quiz prep.1

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？