Which of the following statements is not a part of john dalton's atomic theory?
electrons move in specific orbits around the nucleus of an atom.
all elements are composed of atoms that cannot be divided.
all atoms of the same element are exactly alike and have the same mass.
every compound is composed of atoms of different elements, combined in a specific ratio.

The statement that is NOT a part of John Dalton's atomic theory Electrons move in specific orbits around the nucleus of an atom. The statements ‘All elements are composed of atoms that cannot be divided’, ‘All atoms of the same element are exactly alike and have the same mass’ and ‘Every compound is composed of atoms of different elements, combined in a specific ratio’ are not his theory.

plasma is the state of matter where the substance is ionized and has no definite shape or volume. the fact of being ionized makes the substance a good electrical conductor.