John Dalton believed which of the following about atoms?

Atoms are real even though they're invisible.
All atoms of a single substance are identical.
The atom could be divided into smaller parts.
Atoms of different substances differ by weight.

Question

John Dalton believed which of the following about atoms? 



 Atoms are real even though they're invisible.
 All atoms of a single substance are identical.
 The atom could be divided into smaller parts.
 Atoms of different substances differ by weight.

anonymous · Answer

i believe the answer is the atom could be divided into smaller parts :)

anonymous · Answer

lol you are wrong. the answer is A, B and D.

anonymous · Answer

what the heck (/-_-)/ |_________|

anonymous · Answer

thanks anyways