what was daltons theory called at the time
An atom is the smallest particle of an element which may or may not be capable of independent existence. Dalton's idea of matter is known as John Dalton's atomic theory. Dalton first proposed his atomic theory in 1803. Matter is composed of very tiny indivisible particles called atoms.Atoms are incapable of being destroyed or created.According to Dalton's atomic theory the atom is the basic unit from which matter is constructed.n atom is the smallest particle of an element which may or may not be capable of independent existence. Dalton's idea of matter is known as John Dalton's atomic theory. Dalton first proposed his atomic theory in 1803. Matter is composed of very tiny indivisible particles called atoms.