write exceptional cases of metals and non metals
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graphite in non metal but they are good conductor of electricity which is characterized of metal not non metal
mercury is metal but they are solid which characterized of non metal.
mercury is metal but they are solid which characterized of non metal.
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I am jotting down some regarding that...
1. Non metal that conducts electricity
=Graphite.
2. Liquid metal = Bromine .
3. Metal liquid at room tempereture = Mercury.
4. Hardest non metal = Diamond.
5. soft metals = lithium , sodium , potassium.
6. Non metal exists in different form = carbon.
7. Non metal that is lusterous = Iodine.
8. Metal with low melting points = Gallium and Caesium.
9. Metals having low density and low melting points = sodium , potassium ,lithium.
10. Non metal having high melting and boiling point = Diamond.
this are the exceptional cases most probably asked in the exam.
THNX.......
1. Non metal that conducts electricity
=Graphite.
2. Liquid metal = Bromine .
3. Metal liquid at room tempereture = Mercury.
4. Hardest non metal = Diamond.
5. soft metals = lithium , sodium , potassium.
6. Non metal exists in different form = carbon.
7. Non metal that is lusterous = Iodine.
8. Metal with low melting points = Gallium and Caesium.
9. Metals having low density and low melting points = sodium , potassium ,lithium.
10. Non metal having high melting and boiling point = Diamond.
this are the exceptional cases most probably asked in the exam.
THNX.......
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