1 Plaques and Frames revealing the family crest for the surname Trump. 2  Surname Histories for the name Trump. 3  Symbolism showing the Trump family crest. 4  Travel Mugs with the coat of arms for the name Trump.
atom - (physics and chemistry) the smallest component of an element having the chemical properties of the element. substance - the real physical matter of which a person or thing consists; DNA is the substance of our genes.
electron, An elementary particle that orbits the nucleus of an atom. There is one electron for every proton in the nucleus, which keeps the atom electrically neutral, as electrons are considered to have a negative charge and protons a positive charge.