All living and sentient things are formed out of insentient atoms.
Atoms attract each other and atoms repel one another.
The force which brings the atoms together in the forms of objects is inherent in the elements, and all their motions are necessary.
He established the existence of molecules and atoms as we have defined above, and stated that the number of atoms in the molecule is generally 2, but may be 4, 8, &c. We cannot tell whether his choice of the powers of 2 is accident or design.
There is no such thing really as a vacuum, any more than there are atoms or ultimate indivisible particles.