Compound, elements and mixture 的分別

compound 係2種或以上element 再產生化學反應組成的另一樣野! 如compound-h2o(水)就係由element h(氫)加o(氧),有化學反應而組成.而mixture 只係2種野放埋一齊而當中冇任何化學反應.
compound=化合物(有化學反應)
elements=元素
mixture=混合物(冇化學反應)

elements:only contains one kind of atom,e.g. N, H
compound:contains two or more kinds of elements chemically,e.g.H2O
mixture:contains two or more kinds of substances( elements or compounds) without chemical methods( you can say that they just mix together ),e.g.sea water

compound: combined by 2 or more elements, like pure water, carbon dioxide
elements: a meterial only have 1 kind of atoms, like gold, silver, carbon
mixture:mixed by compound or elements, like milk, sea water