Elements, compounds and mixtures
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7 Terms
What is an element?
An element is a pure substance that cannot be broken down into any smaller substances
What is an element made out of?
An element is made from just one type of atom, an example of this includes oxygen hydrogen and iron
What is a molecule?
A non-metal element which is bonded into a cluster called a molecule
What is a molecule made up of?
2 or more atoms which can be the same kind or different
What is a compound?
A pure substance that is made from more than one element. These elements are chemically bonded which makes it very difficult to separate them
How can you break apart the elements in a compound?
To break apart the elements in a compound, a chemical reaction must take place through processes like electrolysis or thermal decomposition
What is a mixture?
A mixture is formed when two or more elements or compounds are present without being chemically bonded togethern