Yes non metals do have high melting and boiling points. This is because they have strong intemolecular forces that are hard to overcome.
A2. Their melting points vary. Obviously gases such as nitrogen and oxygen have low melting points, but Silicon (1414oC) and Diamond ( around 1700oC) are rather high. Phosphorous and Sulfur on the other hand are rather low.
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It all depends on which non-metal. The elements which are liquid or gas at room temperature obviously have fairly low melting points (oxygen for example has a melting point of around -218 degrees C) but other non-metals which are solid at room temperature can have very high melting points (carbon can have a melting point of around 3500 degrees C)
It varies.
Nonmetals such as oxygen and nitrogen have very low boiling points, while others, such as carbon have extremely high boiling points.
no, metals have higher melting points than non metals because metals are ductile, malleable and sonorous or produce a striking sound when struck.
Usually lower than the metals - due to the electromagnetic attraction between the atoms of metals.
That depends on the solid: ice has a very low melting point, lard and butter have low melting points, chocolate has a relatively low melting point, wax has an intermediate melting point, lead has a high melting point, iron has a very high melting point, tungsten has an extremely high melting point.
The melting points for non-metals range from the lowest for all elements to the highest. The melting point for Helium is effectively 0 K (-273.15 deg C) whereas that for Carbon is 3823 K (3550 deg C).
Name your glue - there are thousands of types with many different melting points .!
There are hundreds of different glues, with different melting points, setting times and means of adhesion.
- many nonmetals are gaseous or liquids- densities are not high- hardness of solid elements is not high- nonmetals form frequently anions- nonmetals form frequently compounds with covalent bonds