The principal elements are C, O, H, N, P, Ca, etc.
The Moon has no atmosphere.
Einsteinium is an unique chemical element.
Yes, chemical compounds are made up of elements combined together.
A compound is different from the elements that make it up because it is a new substance with unique properties that are not present in the individual elements. When elements combine to form a compound, they undergo a chemical reaction that results in a new arrangement of atoms and different chemical properties.
Berkelium is a unique chemical element.
Mercury is a true, single chemical element - not a mixture.
Carbon and hydrogen. Chemical symbol CH4.
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Aquamarine contain Be, O, Al, Si.
Soup is not a chemical compound but a mixture. It will have a very large number of elements which make up the ingredients: meats, vegetables, flavourings, preservatives.
All matter is made up of different elements. Elements are pure substances that cannot be broken down further by chemical means. They combine to form compounds which make up all the substances we see around us.
The chemical formula for titanium dioxide is TiO2. This compound is white in color. It is made up of the elements, Titanium and Oxygen.