Atoms
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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| What is an isotope? | Atoms of the same element with a different number of neutrons
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| What is an ion | An atom that has lost/gained electrons to become +/-vely charged atom
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| What is relative isotopic mass? | The mass of an atom of an isotope compared with 1/12th of the mass of a carbon-12 atom
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| What is relative atomic mass? (Ar) | The weighted mean mass of an atom of an element compared with 1/12th of the mass of a carbon-12 atom
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| What is relative molecular mass? (Mr) | The weighted mean mass of a molecule compared with 1/12th of the mass of a carbon-12 atom
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| What is relative formula mass? | The weighted mean mass of a formula unit compared with 1/12th of the mass of a carbon-12 atom
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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:
Shajida
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