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2011-02-02 21:13:40
2011-02-02 21:13:40

They have high melting points and very high boiling points

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Compared to ionic compounds, covalent compounds have relatively low melting and boiling points because covalent bonds are not as strong as ionic bonds, and it is the bonds which hold materials together in the solid, or more solid phases.


Magnesium sulfate has a high melting and boiling point, as it is made of Ionic bonds which are very strong. A lot of energy is needed to break them. So ionic compounds have high melting and boiling points. See related link for more information.


its simple. ionic compounds have strong electrovalent bonds which need more heat to be broken down. hence more heat is needed to convert the solid into its other state. therefore high melting and boiling point.


Sugar, or sucrose, is an organic molecule and has covalent bonding. Salt has ionic bonds. Covalent bonds are easier to separate when adding energy to them than ionic bonds are, which translates to lower melting and boiling points.


as ionic bond is chemically very strong it posses high melting and boiling point


ionic solids having highly melting and boiling points


Ionic bonds generally have the highest boiling points, as compared to something like the covalent bond.


Ionic compounds are basically the combination of a metal and a non-metal. However, its high melting points and boiling points are part of the physical properties of ionic compounds, and high heat is usually required to break the bonds of ionic compounds. The ions which are held together by strong electrostatic force of attraction may results in high melting point and boiling point.


Ionic bonds are stronger than covalent bonds and therefore require more energy to break.


Brittleness high melting and boiling point are properties of ionic compounds within structures. This is taught in biology.


The electrostatic attraction in an ionic bond is very strong hence a lot of heat energy is required to break it down and thus explaining why ionic bonds have high melting and boiling points. However,In covalent bonds, the intermolecular forces are very weak and is easily broken,hence lesser heat is required and thus covalent bonds have lower melting and boiling points.


The structure of a compound will dictate what intermolecular forces hold the molecules together. The stronger these forces, the higher will be the boiling point.


Ionic compounds are basically the combination of a metal and a non-metal. However, its high melting points and boiling points are part of the physical properties of ionic compounds, and high heat is usually required to break the bonds of ionic compounds. The ions which are held together by strong electrostatic force of attraction may results in high melting point and boiling point.



Molecular substances have a lower melting and boiling point than Ionic. Also, molecular substances can be two non metals joined together where as Ionic it is a metal and nonmetal. Molecular substances have covalent bonds and Ionic have Ionic bonds.


Every covalent bond has its individual melting point but covalent bonds always have lower melting points than ionic bonds


Water has a high melting point and boiling point because of hydrogen bonds


they have high melting and boilig point due to the strong ionic bonds.


Metallic: melting point @ 63, boiling point @ 760, properties: soft, silvery, solid, and conductor as a solid. Covalent: melting point @ -101, boiling point @ -34.6, properties: greenish yellow gas and not a good conductor.


Yes, an ionic bond has a higher melting and boiling point than a covalent bond ionic bond>covalent bond>metallic bond>hydrogen bond>vanderwaals.....


A melting point is a periodic property. Melting point is basically the amount of energy required to break chemical bonds. The more energy required, the stronger the bonds and the higher the melting point. For example, Since Ionic bonds have a transfer of electrons, it requires a lot of energy to break the bonds and has a higher melting point.


molecular compounds have a lower melting and boiling point than ionic


Sodium chloride has a higher boiling point because is a salt with ionic bonds.


You can compare about the electrical conductivity, melting and boiling point,volatility and solubility between the two bonds Hope this helps:D



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