All those guys behind the atomic theory.
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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| Atom | The "smallest piece of matter" that if broken into smaller pieces, loses its original properties.
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| Element | A substance that cannot be broken into smaller pieces.
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| John Dalton | The first scientist to formulate a theory on how atoms were put together.
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| J.J. Thomson | He is credited with the discovery and identification of the electron; and with the discovery of the first subatomic particle.
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| Ernest Rutherford | The first scientist to discover that atoms have a nucleus.
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| Niels Bohr | He developed the most recent model of the atom which is the basis of modern atomic theory.
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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:
22mbeach
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