Power Thesaurus 1969, governess thesaurus, Power Thesaurus, viewed 2 September, 2017, <http://www.powerthesaurus.org/governess/synonyms>.
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.
London dispersion forces, under the category of van der Waal forces: These are the weakest of the intermolecular forces and exist between all types of molecules, whether ionic or covalentâpolar or nonpolar. The more electrons a molecule has, the stronger the London dispersion forces are.