Covalent substances have lower meltingand boiling points than ionic compounds. Why? This is because covalent bonds form distinct molecules. Unlike, in ionic compounds, these molecules fon't interact with each other much, making them very easy to pull apart from each other. Since they are easy to seperate, covalent compounds have low melting and boiling points.
Covalent compounds have these molecules which can easily move around each other because there are no bonds between them. So, they are flexible.
Covalent compounds don't conduct electricity in water because there are no ions in a covalent compound.
Compounds tend to dissolve in oyher compound that have similar properties. Covalent compounds arent usually very soluble in water because water is a polar solvent and most covalent compounds are non-polar.
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