Energy is stored in bonds that hold compounds together. It comes in the form of potential energy, which can then be released.
covalent and ionic bonds
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.
Some organic compounds.
It depends on the nature of the molecule. In the case of ionic compounds, ionic bond between the ions will hold the crystal together. In the case of covalent compounds, covalent bond will hold the molecules in the crystal together.
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.
insulators
transformation
Organic compounds have covalent bonds.
covalent and ionic bonds
chemical bonds
because it does that's how it does it