Atom Definition. An atom is the defining structure of an element, which cannot be broken by any chemical means. A typical atom consists of a nucleus of protons and neutrons with electrons orbiting this nucleus. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus.
Mosaic art flourished in the Byzantine Empire from the 6th to the 15th centuries; that tradition was adopted by the Norman kingdom in Sicily in the 12th century, by eastern-influenced Venice, and among the Rus in Ukraine.osaic is an art form which uses small pieces of materials placed together to create a unified whole. The materials commonly used are marble or other stone, glass, pottery, mirror or foil-backed glass, or shells.
Ancient Egyptian art is the painting, sculpture, architecture and other arts produced by the civilization of Ancient Egypt in the lower Nile Valley from about 3000 BC to 100 AD.Ancient Egyptian art reached a high level in painting and sculpture, and was both highly stylized and symbolic.Much of the surviving art comes from tombs and monuments and thus there is an emphasis on life after death and the preservation of knowledge of the past.Ancient Egyptian art was created using media ranging from drawings on papyrus through wood, stone, and paintings.uch of the surviving art comes from tombs and monuments and thus there is an emphasis on life after death and the preservation of knowledge of the past.