Ch2: The Atom

Question 1

Dalton’s 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 particles

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 have sufficient energy to move a small object like a paddle wheel