chemistry Flashcards
1
Q
who discovered protons
A
Ernest Rutherford
2
Q
who proposed electrons orbit the nucleus like planets do the sun
A
Niel Bohr
3
Q
who proposed that matter is made of four elements
A
Aristotle
4
Q
who discovered electrons
A
JJ Thompson
5
Q
who discovered the nucleus using the gold foil experiment
A
Ernest Rutherford
6
Q
who proposed that matter is made up of tiny particles called atomos
A
Democritus
7
Q
Who proposed a six part theory
A
John Dalton
8
Q
Who found that electrons do not orbit the nucleus in specific paths
A
Erwin
9
Q
Who discovered neutrons
A
James Chadwick
10
Q
Who proposed the plum pudding model
A
JJ Thompson
