Question

Which of the following statements is one of the postulates in Dalton’s atomic theory?

1.) Atoms cannot be separated, joined, or rearranged.
2.) Chemical reactions occur when atoms of one element change into atoms of another element.
3.) Atoms of one element can change into atoms of another element if they undergo a chemical reaction.
4.) Chemical reactions occur when atoms are separated, joined, or rearranged.

Answer 1

Atoms cannot be separated, joined, or rearranged.

Step-by-step explanation:

Answer 2

1

Step-by-step explanation:

atoms cannot be created nor be destroyed in a chew reaction