Flashcards
atoms
Cards in this deck (2)
- 1atomic number Z Nº protonsmass number A
P + N / Z + N
* N = A - Z
atomic mass of an element = mass number of one atom - 2isotopes = protons / =/ neutrons C = 6 P, 14 N C = 6 P, 13 Nion (charge is not neutral)
Cation: positive charge
Anion: negative charge
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- Secundaria fisica y quimica Flashcards on atoms, created by Hector Vega0171 on 28/11/2015.
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- Hector Vega0171
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