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.
By Andrew Zimmerman Jones. Definition: An electron is a fundamental particle, which means it cannot be broken into smaller particles. Electrons may be bound in the electron cloud surrounding an atomic nucleus, or may break free from the cloud as a free electron..