Ch2 The Atom

Question 1

Daltons atomic theory

Answer 1

All matter is made up of very small particles called atoms

All atoms are indivisible

Question 2

Cathode Ray’s

Answer 2

Negative
Straight lines
Deflected in magnetic and electrical field
Have energy

Question 3

William crookes

Answer 3

Discovered cathode Ray’s

Question 4

J.J Thompson

Answer 4

Discovered the electron

Question 5

Robert milikan

Answer 5

Oil drop experiment

Determined size of electron