Physics - Modern Physics - Atomic Structure - Structure of the atom - How Small Is an Atom?
Present mind-blowing atom facts as true/false. (1) 'An atom is 99.9999999% empty space' (True!). (2) 'If an atom were the size of a football stadium, the nucleus would be a pea at center' (True!). (3) 'You can see individual atoms with a regular microscope' (False - need electron microscope or STM).