What is a compound? 2 or more elements chemically combined What is a element? Can't be broken into simple substances What are examples of an element Gold,Silver,Sulfer What are examples of compounds Water,carbon dioxide,Ammonia 最好的學習方式。免費註冊。 註冊代表你接受Quizlet的服務條款和隱私政...
Or Compound?) Yes,gold is a pure substance. It is composed of just the element Gold, and there are no other substances required for it to exist. Is Salt a mineral? salt (NaCl),sodium chloride, mineral substance of great importance to human and animal health, as well as to industry. T...
Law of constant proportion states thata chemical compound always contains exactly the same proportion of elements by mass. For a given unique chemical compound, its elemental composition is same for any sample that exists. ... If we take some mass of water, 8/9 of its mass will be oxygen ...
Calx is a substance formed from an ore or mineral that has been heated.Calx, especially of a metal, is now known as an oxide. According to the obsolete phlogiston
Is a water an element? Answer. Water isa compound. It contains more than one element: hydrogen and oxygen atoms are joined together; as illustrated in the video clip Elements and Compounds, above. An important feature of compounds is that they are very different from the elements from which ...