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The noble gases have weak interatomic force, and consequently have very low melting and boiling points. They are all monatomic gases under standard conditions, including the elements with larger atomic masses than many normally solid elements.
The hydrogen atom bonds to an unshared pair of electrons in the electronegative atom to form a hydrogen bond. Water's relatively high boiling point can be attributed to its hydrogen bonds. The weakest intermolecular forces are between nonpolar molecules. In an atom or molecule, the electrons are in continuous motion. As a result, at any instant, the electron distribution may be slightly uneven, creating very weak dipoles.