Question

please answer fast ......​

Answer 1

Answer:

The answer of this question is option c...........

Answer 2

Answer:

The correct statement is Dalton was the first to state that the smallest indivisible portion of matter is an atom.

Explanation:

At the beginning of the 19th century, the English scientist John Dalton proposed an atomic theory that became the basis for the study of chemistry. His theory contained five main propositions:

1. All matter is comprised of tiny, definite particles called atoms.

2. Atoms are indivisible and indestructible.

3. All atoms of a particular element share identical properties, including weight.

4. Atoms of different elements contain different mass. And

5. Atoms of different elements combine in fixed whole-number ratios when forming compounds.