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Intermolecular forces are the forces of attraction that exist between molecules in a compound. The stronger the attractions between particles the more difficult it will be to separate them. When substances boil, the particles are completely separated from one another and the attractions between the molecules are completely overcome.

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Q: Do ionic compounds or covalent compounds have stronger intermolecular forces?
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Why is ionc compounds stronger than covalent compounds?

By stronger, I am guessing you meant " stronger intermolecular forces ". Ionic compounds do not necessarily have stronger intermolecular forces than covalent compounds. For example, it is true that NaCl(an ionic compound) has strong electrostatic attractions while H2O(a covalent compound) has very weak London forces. However, SiO2 is a giant covalent compound, and has very strong covalent bonds between molecules, even stronger than the electrostatic forces of NaCl.


Why do covalent compounds and ionic compounds have different melting points?

Melting points are a reflection of the intermolecular forces and intramolecular forces of the compound. The stronger the intermolecular force, the more energy it takes to bring it to a different state.


Which is stronger intramolecular or intermolecular force in the case of covalent bond?

intramolecular forces are hard to break as compared to intermolecular forces.


Do ionic or covalent hold two compounds together?

No, they do not hold two compounds together. The forces that hold compounds together are intermolecular forces. Ionic and covalent bonds are intramolecular forces, and they hold the atoms of the molecule or formula unit together.


Why are covalent bonds typically much stronger than intermolecular forces?

Well, a crystal is solid. If you mean, are ionic bonds stronger than covalent bonds, then the answer would be almost always. With a few exceptions, the ionic bond has a greater intermolecular force than a covalent bond. One exception might be a diamond and a weak ionic compound like RbBr.


What interaction is not a type of intermolecular force?

Intramolecular forces are not intermolecular forces !


How do intermolecular forces compare to covalent and ionic bonds in terms of strength?

Ionic bonds create stronger intermolecular attraction than covalent bonds do; that is why rocks are harder than plastic.


What can you say about the relative strength of the intermolecular forces in the two compounds?

The intermolecular forces in acetone are weaker.


what has higher melting points ionic or covalent compounds?

Ionic compounds have higher melting points because the bond olding the ionic crystal together is stronger than the intermolecular forces (van der Waals) holding covalent molecules together. Giant covalent molecules such as dialmond and silicon dioxide have very high melting points because the lattice is held together by stong covalent bonds


How melting and boiling points are affected by intermolecular forces?

The stronger the intermolecular forces, the higher the melting point and boiling point. The weaker the intermolecular forces, the lower the melting and boiling points are.


Why do covalent compounds have lower melting points than the ionic compounds?

Covalent compounds are formed by the sharing of electrons, hence the bonding is relatively weak. On the other hand, ionic compounds are formed by the transferring of electrons thus strong electrostatic forces holds the compound together, the strength in these forces co-existing within the ionic compounds require a large amount of energy to break it apart hence boiling and melting points are high.


Does the melting point depend on the substances being melted?

Yes, because the melting point depends on the strength of the intermolecular forces, which are different for different molecules and compounds. Stronger intermolecular forces mean a higher melting point.