Chemistry

Why the melting point of carbon is higher than the melting point of neon?

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December 16, 2009 5:58PM

Carbon readily forms covalent bonds with its neighboring C atoms

due to its incomplete valence shell of electrons. Neon, being a

noble gas, has a completely filled valence shell and therefore does

not form bonds easily with its neighboring atoms. As a result,

there are no covalent bonds to break in solid Neon and Ne will melt

at the very, very low temperature of 24.5 Kelvins compared to

graphite which melts at 3825 Kelvins.


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