5540646
Beschreibung
Mindmap von Annaliese Bronz, aktualisiert more than 1 year ago
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Erstellt von Annaliese Bronz
vor mehr als 8 Jahre
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Atomic Structure Review
- Models of the atom
- Hard invisible sphere
- Solid sphere with + or - uniformly distributed
- Nuclear atom
- Nucleus
- Contains almost all mass.
- Nucleons
- Protons +
- neutrons (neutral/no charge)
- Protons +
- Nuclear charge is +
- Same as # of protons
- Same as # of protons
- Contains almost all mass.
- Nucleus
- Orbital atom
- Wave mechanical model
- TODAY'S MODEL
- Electron cloud model
- Mathematical model
- Electrons are in orbitals
- Regions of high probability of finding an electron.
- Electron cloud model
- TODAY'S MODEL
- Hard invisible sphere
- Using cathode ray tubes, the existence of e- in atoms were discovered.
- Gold Foil Experiment
- Alpha particles (+) bombarded gold foil.
- Most particles went straight through.
- Conclusion
- Atom is mostly empty space.
- Atom has a + center/space
- Atom is mostly empty space.
- Few particles bounced back.
- Alpha particles (+) bombarded gold foil.
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