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Physics Paper

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Physics Paper
|Chemistry Review 1 |TEACHER ANSWER KEY |
| |June 06, 2011 |

| |
|'see explanation below' |
|1. Base your answer on the information in the accompanying table. |
| |
|The atomic mass of Cu-63 is expressed to what number of significant figures? [1] |
|[pic] |
|When a measurement greater than or equal to 1 has a decimal point expressed, every number is counted as a significant figure. Therefore, 62.930 |
|u has 5 significant figures. [1 point] |
|[pic] |
|'see explanation below' |
|2. Base your answer on the information below. |
|
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