Unit 2 Chemistry- The Atom
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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proton | subatomic particle with a positive charge
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neutron | subatomic particle with no charge
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electron | subatomic particle with a negative charge
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nucleus | the central most dense part of an atom
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mass number | the sum of the number of protons and neutrons of an element
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atomic number | the number representing the number of protons/electrons of an element
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J.J. Thompson | created the plum-pudding or chocolate chip cookie model of the atom
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Earnest Rutherford | performed the gold foil experiment and discovered the nucleus.
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Democritus | Greek philosopher used the term atomos to describe the atom as indivisible
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Aristotle | Greek philosopher who said that all matter is made of only 4 elements (earth-wind-fire-water
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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:
mrsocci
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