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- 1chemistry: how do you find the mass number for an atom?add the number of protons and the number of neutrons.
- 2Chemistry: proton = +1 (positive) neutron = 0 (neutral) electron = -1 (negative)the protons and electrons cancel eachother out to make an atom neutral with no charge.
- 3chemsitry: the atomic number is the number of protons that are in the nucleus.you fin out the number of neutrons by:
Mass Number - Atomic Number
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- Fichas sobre Sin título, creado por gewillacy el 05/06/2014.
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