Question

John Dalton, a scientist of nineteenth century, named the smallest substance of an element as_______​

Answer 1

John Dalton, a scientist of nineteenth century, named the smallest substance of an element as atom

Answer 2

Answer:

Atom is a correct answer

Explanation:

Dalton was the first scientist to use the term atom for the smallest particle of matter, which originated from the Greek word 'atomos', meaning "cannot be divided further".