Chemistry
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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| Democritus | First to suggest existence of atoms. Called atoms indivisible and indestructible. Was considered not credible due to lack of evidence
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| John Dalton | Turned Democritus's ideas into a theory. The modern day process of discovery regarding atoms started with him. Said atoms of same element are identical and different elements can form compounds
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| JJ Thomson | Discovered electron using the Cathode Ray Experiment. Also known for Plum Pudding Model
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| James Chadwick | Discovered the neutron.
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| Ernest Rutherford | Discovered the nucleus using the gold foil experiment.
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| Niels Bohr | Known for Planetary Model. Placed each electron in a specific energy level. Said electrons have fixed energy, definite orbits, and move around protons/nucleus.
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| Erwin Schrödinger | Known for Quantum Mechanical Model or Electron Cloud Model. Said electrons are in probability zones(orbitals) and said an electron's location can't be determined.
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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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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.
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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Created by:
Mufctommy
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