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- 1Define the terms atomic numberAtomic number: Number of protons in the nucleus of an atom. The atomic number determines element an atom is.
- 2Define the term Mass numberMass Number: The number of protons and neutrons in the nucleus of an atom.
- 3In what part of an atom is most of its mass contained?The Nucleus
- 4Identify the force that holds protons and neutrons together in an atom's nucleus?
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- Fichas sobre Sin título, creado por glamour27088 el 25/02/2016.
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