Radioactivity
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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| Radioactivity | The spontaneous breaking up of unstable nuclei with the emission of one or more types of radiation
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| What happens when an atom loses an alpha particle? | It changes into an atom of the element two places before it in the periodic table. The mass number of the parent atom decreases by four
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| When an atom loses a beta particle? | It changes into an atom of the element one place after it in the Periodic Table. The mass number stays the same.
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| The half life of an element | The time taken for half of the nuclei in any given sample to decay
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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:
FROmine
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