Review for Chapter 4 test over Atomic Structure
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| has the idea that any sample of water always contains 8 g of oxygen for every 1 g of hydrogen | Law of definite composition
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| first model to include atoms of each element having different masses | Dalton's Atomic Theory
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| helped explain line spectra | Bohr model of the atom
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| states that it is impossible to know both the energy and the exact position of an electron at the same time | Heisenberg uncertainty principle
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| describes how electrons fill orbitals | Hund's rule
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| describes how electrons fill a sublevel (lower energy levels first) | Aufbau principle
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| states that no two electrons in an atom can have the same set of four quantum numbers | Pauli exclusion principle
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| Who is associated with philosophical atomism? | Democritus
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| Who made the first experimental atomic model? | John Dalton
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| Who was the first to be able to explain cathode rays | J.J. Thomson
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| Who discovered x-rays? | Wilhelm Roentgen
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| Who discovered the neutron? | James Chadwick
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| Who discovered protons? | Ernest Rutherford
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| Who built the "planetary" model of the atom | Niels Bohr
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| Who discovered spectroscopy and built the prism spectroscope | Robert Bunsen and Gustav Kirchoff
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| Who discovered magnetic resonance imaging? (MRI) | Raymond Damadian
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| Who implemented the gold foil experiment? | Hans Geiger
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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