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Atom study guide Questions and Answers

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Exam of 2 pages for the course Atom at Atom (Atom study guide)

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  • October 25, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Atom
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Atom study guide

What is an atom? - answer Atoms are the smallest unit of matter

What was the contribution of Democritus to our understanding of the atom? - answer
Democritus first named the atom Atomos

What was the contribution of Dalton to our understanding of the atom? - answerAll
substances are made up of matter, atoms cannot be created, destroyed, or divided
Atoms of the same element are the same and elements of different elements are
different
Atoms will join with other atoms to make new substances

What was the contribution of Thomson to our understanding of the atom? What was the
experiment that Thomson performed? - answerThomson first named the electron.
Experiment was the Cathode-Ray Tube experiment

What was the contribution of Rutherford to our understanding of the atom? What was
the experiment that he performed? - answerRutherford first named the Nucleus and
stated that most of the atom was empty space Experiment was the gold Foil experiment

What was the contribution of Bohr to our understanding of the atom? - answerBohr
stated that electrons moved in specific paths around the Nucleus

What was the contribution of Schrodinger and Heisenberg to our understanding of the
atom? - answerSchrodinger and Heisenberg stated that electrons moved in clouds
around the nucleus and not in specific paths

What does the Model of the Atom look like for Thomson? - answer

What does the Model of the Atom look like for Rutherford? - answer

What does the Model of the Atom look like for Bohr? - answer

What is different between the model of the atom for Bohr & The current ELECTRON
CLOUD MODEL? - answerBohr model had electrons moving in paths around the
nucleus

If you have an equal number of protons and electrons what is the charge? -
answerWhen protons equal electrons the charge is neutral or zero

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