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metals and nonmetals-year 7 project
In a group of these metals and nonmetals Bromine, Cardon, Chlorine, Copper, Iron, Mercury, Nickel, Selenium and Sulphur which substances would be ''difficult to group''. I was thinking mercury being a liquid metal and cardon being a non metal which conducts electricity. Would you include any others? Nothing to heavy as its only year 7, thanks
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Graphite conducts electricity but diamond does not.
Selenium is also a funny one it is a non metal but conducts electricity but better when illuminated than in the dark.
http://en.wikipedia.org/wiki/Selenium
If you find them on the periodic table
http://www.stanford.edu/class/educ299x/images/ assignment_1_teaser.jpg
The more to the left the more metalic, the more to the right the more non metalic
Graphite conducts electricity but diamond does not.
Selenium is also a funny one it is a non metal but conducts electricity but better when illuminated than in the dark.
http://en.wikipedia.org/wiki/Selenium
If you find them on the periodic table
http://www.stanford.edu/class/educ299x/images/ assignment_1_teaser.jpg
The more to the left the more metalic, the more to the right the more non metalic
-- answer removed --
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