Sandbox DW1 0015: Difference between revisions
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+ carbon dioxide. | + carbon dioxide. | ||
- oxygen. | - oxygen. | ||
{Which of the folowing elements is a metalloid? | {Which of the folowing elements is a metalloid? | ||
|type="[]"} | |type="[]"} |
Revision as of 15:09, 13 July 2010
Hello,
Greetings from the Weizmann Institute.
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