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Because an ionic bond is very stable, so it needs a larger amount of thermal energy to break its bond.

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Q: Why ionic bond have high melting and high boiling point?
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What are three physical properties of ionic compounds that are associated with ionic bonds and related them to bond strength?

These are melting point, boiling point, hardness.


Why ionic compounds have high melting and boiling points?

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.


Is Ionic bond have higher melting and boiling point than covalent bond?

Ionic compounds generally have a higher melting point. This is because the bonds between the negative and positive ions are strong, and this keeps the solid together as the temperature rises. Covalent compounds have comparatively weak bonds between the molecules, so as the temperature rises, these bonds are broken easily and the substance turns into a liquid.


Why kf melting point is very high?

ionic bond


What is the boiling point of an ionic bond?

Chemicals have boiling points, bonds do not. But let us say, you are asking what the boiling point is of a chemical that has an ionic bond. Again, not all ionic type chemicals (which are generally called salts) have the same boiling point. I can, however, tell you that the boiling point of a salt tends to be very high, in the thousands of degrees.


What type of chemical bond causes a substance to have a very high melting point?

an ionic bond


How can bonding determine the properties of a substance answer?

measurable you can measure it and observable you can see and observe it


What are three physical properties of ionic compounds that are associated with ionic bonds and relate them to bond strength?

An ionic bond exists when one element donates its electrons to the other element in the bond. It is not a true bond but rather an electrostatic attraction (the + of one is attracted to the - of the other) Ionic bonds occur if there is a great difference in electronegativity (greater than 1.7 in the pauling scale). Usually they will occur with a alkaline metal (1A element - very low electronegativity) and a halogen (7A - very electronegative.) Some properties are that they disassociate in water (depressing the freezing point raising the boiling point and making the liquid conductive). They form crystal complexes and do not truly exist as a molecule rather as an ionic solid with no definable beginning or end. They therefore do not have a molecular formula but rather just an empirical formula representing their ratio.


Why does potassium chloride have a higher boiling point?

Potassium chloride has an ionic bond.


Is a boiling point higher than a melting point?

well acuttaly a boiling point is higher because the boiling point is at 100 degrees and like so a melting point is a 0 degrees and a boiling point the particles spread out quicker but the melting point the particles are a strong bond so cannot be squahsed and are at a lower rate of temprrature/heat


Why would the melting point of a molecular compound generally be lower than an ionic compound?

The ionic bond is stronger.


Why do ionic crystals have high melting points and high boiling points?

This is because of the strong force of attraction between the positively and negatively charged ions in the ionic lattice