compound
compound
are molecules are joined together to form elements
If two elements are joined together it is a compound
If a material contains three elements joined in a fixed proportion, then it is a compound. It can only be separated by a chemical reaction.
In short - No the jar does not contain a compound. it contains 2 elements. Oxygen, and Carbon.ExplanationIf you heated the jar the carbon would start to burn (probably quite violantly in pure oxygen) which is a chemical reaction and if you got the quantities just right then you would end up with a jar of carbon dioxide which would be a compound but unless you do this you just have 2 elements in the jar.In chemistry there are 3 basic catagories:1/ Element - A pure substance which contains only one type of atom.2/ Compound - 2 or more elements that have had a chemical reaction and joined together to form molecules. Molecules are groups of atoms that are joined together by chemical bonds.3/ Mixture - 2 or more different elements (or compounds) which are mixed together but have not had a chemical reaction and are not joined by chemical bonds.There is another type of compound involving ions but this is beyond the scope of the question.newtest3
compound
yes,it contains two or more elements joined together
are molecules are joined together to form elements
are molecules are joined together to form elements
Molecule
Two or more elements that are chemically joined together is a compound, I think.
A material that contains three elements joined in a fixed proportion is a pure substance called a compound. It is not a mixture.
because they are chemically joined together and it is difficult to separate them
mabey it depends
It is called a compound
When two elements are join together the molecule of a compound is formed.
It is a mixture.