Sandbox DW1 0015
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(Difference between revisions)
| Line 9: | Line 9: | ||
+ carbon dioxide. | + carbon dioxide. | ||
- oxygen. | - oxygen. | ||
| + | </quiz> | ||
| + | |||
| + | <quiz display=simple> | ||
| + | {Which of the folowing elements is a metalloid? | ||
| + | |type="[]"} | ||
| + | - barium. | ||
| + | - argon. | ||
| + | + silicon. | ||
| + | - calcium. | ||
</quiz> | </quiz> | ||
Revision as of 12:08, 13 July 2010
Hello,
Greetings from the Weizmann Institute.
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