peaches pnhs intro to i.s.h vocab
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 a pure substance? | It is matter that always has exactly the same composition.
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| What is an element? | An element is a substance that cannot be broken down into simpler substances.
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| What is a compund? | A compound is a substance that is made from two or more simpler subtances and can be broken down into this esimpler substances.
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| Why does every sample of a given substance have the same properties? | Every sample of a given substance has the same properties because a fixed unformed composition.
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| Explain Solutions,suspensions,and colloids. Give exampes of each. |
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| Explain why the composition of an element is fixed. | An element has a fixed composition because it contains only one type of atom.
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| Why can the properties of a mixture vary? |
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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:
peaches16
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