Chapter 2 Flashcards
1
Q
Law of Conservation of Mass
A
Mass is neither created nor destroyed
2
Q
Law of Definite Proportions
A
Each compound has a specific ratio of elements
3
Q
Law of Multiple Proportions
A
When the same elements form 2 or more different compounds
4
Q
Particles that composed cathode rays are
A
negatively charged
5
Q
All atoms contain the same particles…..
A
negatively charged electrons
6
Q
Nuclear Forces
A
Short range attractions between protons and neutrons
7
Q
Proton
A
p+
8
Q
Neutron
A
n0
9
Q
Electron
A
E-
10
Q
Charge of the proton
A
1+
11
Q
Charge of the electron
A
1-
12
Q
Charge of the neutron
A
0
13
Q
John Dalton
A
Came up with the atomic theory
14
Q
Atoms being divided into smaller particles
A
nuclear fission
15
Q
Cathode Ray Experiment
A
Done by JJ Thomson, led to the discovery of the electron
