Chapter Three
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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Atomic Number | The number of protons (Z) of each atom of that element.
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Isotopes | Atoms of the same element that have different masses.
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Nuclide | a general term for a specific isotope of an element.
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Atomic Mass Unit (amu) | The unit for the atomic mass of any is determined by comparing it to the mass of carbon-12
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Average Atomic Mass | The weighted average of the atomic masses of the naturally occurring isotopes of an element.
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Mole | the amount of a substance that contains as many particles as there are atoms in exactly 12 grams of carbon-12.
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Avogadro's Number | 6.02X10^23
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Molar Mass | The mass of one mole of a pure substance
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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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