help me with a question please. suggest why it was easier for scientists to discover elements such as oxygen than it was to discover the noble gases.
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noble gases watch
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Last edited by helenaglasgow; 03-11-2015 at 19:59.
- 03-11-2015 19:57
- 03-11-2015 20:00
Noble gases don't react! How are you supposed to find something if it doesn't cause changes around it?