Each Heavenly man is an atomic unit. Each human Monad is an atom in the body of one of the Heavenly Men. The causal body is an atom, or sphere. The physical plane elemental is an atomic unit. A sheath formed of the matter of the solar system in one or other of its seven grades and indwelt by life of some kind.
Absolute intelligence informs each atom.
Absolute life informs each atom. Atoms and souls are synonymous terms. In this solar system atoms and souls are synonymous terms. The Primordial Ray plus the Divine Ray of Wisdom. In the previous solar system atoms and mind were probably synonymous terms.