Chem. Review #1 (2)
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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Rutherford | Discovered positively charged nuclear atom.
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Chadwick | Dicovered the Neutron
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Thomson | Determined the quantity of the electron's charge and the electron itself.
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Goldstein | Discovered the proton.
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Dalton | Came up with the atomic theory
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Rutherford | Performed the gold foil experiment.
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Milikan | Perfomed the oil drop experiment.
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Mendeleev | First period table based on increasing mass.
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Henry Moseley | Determined hte atomic number of all elements.
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Cathode Ray Tube | An apparatus that helped scientists discover that atoms contain electrons.
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Neutrons | Isotops have the same number of protons but different numbers of _________.
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Radioactivity | The spontaneuos production of rays and particles and energy by unstable nuclei.
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Induced Radioactivity | When a parent or target isotope is bombarded causing the emission of radiation and the formation of a daughter isotope.
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Robert Bohr | Scientist that developed the planetary model 0 refining the previous model of the atom to include electrons orbiting the nucleus in energy levels.
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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.
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.
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:
FaithRaquel2015
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