People that discovered atoms

Question 1

What was democritus’s idea

Answer 1

That at some point the divider will be the same size as the thing that you are trying to divide

Question 2

What was john Dalton’s idea

Answer 2

Figured out that atoms make up everything

Question 3

What are john Daltons 5 postulates

Answer 3

1.) all matter is made of atoms 2.) atoms are indivisible and can be rearranged 3.) atoms of each element are the same 4.) atoms of different elements have different masses and properties 5.) atoms combine to form molecules in fixed whole number ratios

Question 4

What did J.J. Thompson find

Answer 4

He found electrons and sub-itomic particles

Question 5

What did Rutherford find

Answer 5

He figured out that atoms have a positively charged nucleus, and figured out that atoms were mostly nothing.

Question 6

What did Chadwick find

Answer 6

Finds neutrons and their charge, and isolates isotopes.

Question 7

What did Bohr find

Answer 7

Found electrons and their negative charge