The Atom

Question 1

Sumarise Dalton’s Atomic Theory

2

Answer 1

All matter is made up of very small particles called atoms

All atoms are indivisible. They cannot be broken down into simpler particles

Question 2

What are cathode rays?

4

Answer 2

They are streams of negatively charged particles called electrons

They travel in straight lines from the cathode to the anode,

They are deflected by electric and magnetic fields

They have sufficient energy to move a small object such as a paddle wheel