Compounds: CaCO3 (Calcium carbonate), CO2 (Carbon dioxide), HCl (Hydrochloric acid), NaCl (Salt), KCl (Potassium chloride), H2O (water), Elements: O2 (Oxygen), H2 (Hydrogen), Cl2 (Chlorine), Au (Gold), Mg (Magnesium), Li (Lithium), Mixtures: Sea water, Chocolate, Air, Soft drinks, Soup, Rocks,

Elements, Compounds & Mixtures Examples

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?