Unit 1 - Matter, Trends and bonding Flashcards
1
Q
John Dalton
A
Scientist. Formed the “billiard ball” model
2
Q
J.J Thompson
A
Discovered the electrons. Made the “Rasin bun” model.
3
Q
Ernest Rutherford
A
Discovered protons through the “Gold foil experiment”. His model was the “Nuclear Model”.
4
Q
James Chadwick
A
Discovered neutrons
5
Q
Niels Bohr
A
Developed the modern atomic theory. His model was the “Plantery Model”.
6
Q
Isotopes
A
Atoms of the same element but with different mass numbers. They have different numbers of neutrons.
7
Q
A
