Download 10.1 – District 1: Atomic Theory Key Points Notes Atomic Structure

10.1 – District 1: Atomic Theory
Notes
Key Points
Fill in the following table
Charge
Atomic Structure
Where are these found
in the atom?
Mass of each
particle
Protons
Neutrons
Electrons
Describe the experiment that Thomson ran:
What did Thomson’s experiment discover?
J. J. Thomson
 Thomson did NOT discover the location ______________________, rather he
_________________________________________.
Describe the experiment that Ernest Rutherford ran:
Ernest Rutherford
What did the bouncing back of the alpha particles from Rutherford’s experiment
prove:
 The few alpha particles that bounced back were ___________________________
the very ___________________________________________.
Describe the experiment that Niels Bohr ran:
Niels Bohr
What did Bohr’s experiment discover?
 Electrons are ____________________________________________, electrons
are ____________________________________________________.
How does an ion form?
Define the following terms:
 Cation –
Turning Atoms Into Ions
 Anion –
 Valence Electrons –
What does the Octet Rule state? How does it lead to the formation of ions?