Element Melting Point Boiling Point Calcium 850 1492 Carbon (graphite) 3730 (sublimes) Carbon (diamond) 3550 (4830) Chlorine -101 -34 Click to see full answer. Likewise, people ask, does Diamond have a melting point?1 Answer. Diamond (carbon) does not melt at 1 atm. It sublimes to vapor. Using carbon’s theoretical phase diagram below (from Wikimedia), “liquid diamond” could be achieved at about 10 GPa (99 thousand atmospheres) and 5000 K (4700 °C).Beside above, why does diamond have a high melting point? Each carbon atom is covalently bonded to four other carbon atoms. A lot of energy is needed to separate the atoms in diamond. This is because covalent bonds are strong, and diamond contains very many covalent bonds. This makes diamond’s melting point and boiling point very high. Similarly, you may ask, what is the melting and boiling point of graphite? If the pressure is increased to 10 atmospheres carbon (graphite) is observed to melt at 3550 °C. The boiling point quoted is recorded when the graphite vapor pressure above subliming graphite reaches 1 atmosphere.What is the melting point and boiling point of an element?The boiling point is the temperature at which a material changes from a liquid to a gas (boils) while the melting point is the temperature at which a material changes from a solid to a liquid (melts). Keep in mind that a material’s melting point is the same as its freezing point.

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