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Composition of Atoms

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Atoms make up all of the visible matter in the universe. Our own bodies are made up of mostly carbon, hydrogen, oxygen, and nitrogen atoms. So what is an atom made of? Well, basically an atom is made of three major particles: protons, neutrons, and electrons.

The atom is composed of a dense nucleus made up of protons and neutrons floating in a cloud of electrons. Protons are positively charged particles found in the nucleus while neutrons have no charge. The other particle found in an atom would be the electron, which is a negatively charged particle that orbits the nucleus. It is even smaller than the protons and neutrons. Electrons are important when we get into the next discussion on electricity and magnetism.
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