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Vocabulary flashcards covering basic atomic structure terms including atoms, protons, neutrons, electrons, quarks, and valence electrons.
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Atom
smallest particle of an element which retains the properties of that element.
Proton
subatomic particle located in the nucleus of an atom that has a positive charge
Neutron
subatomic particle located in the nucleus of an atom that has a neutral charge
Electron
subatomic particle located in the electron cloud surrounding the nucleus that has a negative charge.
Quarks
particles that make up protons and neutrons
Valence electrons
e− in the outermost energy level of the electron cloud