Flash Cards Structure Of Atom

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* Negative charge
* mass is almost 0
Electron
* Found in electron cloud
outside the nucleus
* Positive charge
Proton
* mass = 1 AMU
* Found inside the
nucleus with neutrons
* No charge or NEUTRAL
Neutron
* mass = 1 AMU
* Found inside the
nucleus with protons
What does the
How many energy levels
there are (also called
period tell us?
electron shells or
orbitals)
What do the
The number of valence
electrons.
group # mean?

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