    ‘Sentence & Whot occurs when electron clouds overiap from different atoms?    Senfence 2: When their electron clouds overlap, Pauli repulsion (due to fermionic  ‘notue of electrons) follows resulting inthe force thot acts ino direction normal to  ‘he suc interface between two objects95 The normal face, for example,  responsible forthe structural inegty of tobles ond oos os wel as being the  ‘once tot responds whenever on extemal farce pustes ono solid object.