The Atom

Question 1

Daltons atomic theory

Answer 1

1. All matter is made up of very small particles called atoms
2. All atoms are indivisible. They cannot be broken down into simpler substances

Question 2

Cathode rays

Answer 2

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 possess enough energy to move a small object, such as a paddle wheel