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    • Structure of matter flow diagram: quarks to matter.
    Rights: The University of Waikato Te Whare Wānanga o Waikato Published 17 September 2009 Size: 32 KB Referencing Hub media

    A block of graphite is made up of carbon atoms. Each carbon atom has a dense central nucleus made up of protons and neutrons. Protons and neutrons are made up of different combinations of quarks.

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      The structure of the nucleus

      Scientists once thought the most fundamental building block of matter was a particle called the atom. Now we know that the atom is made of many smaller pieces, known as subatomic particles. Every ...

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