Great question! 1) Molecules and atoms are held together by electronic attraction - electromagnetism. It is usually considered under the heading of chemical bonding, which is explained by electromagnetic interaction. Electrons are held in their orbits about the nucleus of an atom by the same electromagnetic force.
The surname of Barnes is said to have three possible origins of the surname. The first possible origin of the surname of Barnes is of the Anglo-Saxon variety, and is a topographical surname, or possibly even an occupational surname.
Last name: Denton. This name is of English locational origin from any of the various places thus called. The Yorkshire Dentons hail from Denton in the parish of Otley in the west Riding, first recorded as Dentun in the Anglo Saxon Chronicles c.972. Other places so named, are in Kent, Lancashire, Cumberland, Durham, Lincolnshire etc..