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.

Answer 1

Atoms are real even though they're invisible.

^ He made a model to prove this.

Answer 2

atoms are real yet invisible. All atoms of a single substance are identical in mass and property. he believed that atoms are indivisible and atoms of different substances differ by mass and property.