Discovery of Atoms Flashcards
1
Q
What did John Dalton do in 1803
A
He made the solid sphere model
2
Q
What are the subatomic particles
A
protons, neutrons and electrons
3
Q
What did Ernest Rutherford do in 1911
A
He discovered the nuclear model
4
Q
Who made the plum pudding model
A
J.J Thomas in 1904
5
Q
What did Niels Bohor discover in 1913
A
Nuclear Model
6
Q
What are compounds
A
They are 2 or more different atoms
7
Q
What is a monocle
A
2 or more atoms joined together
8
Q
What are compounds held together
A
Chemical bonds
9
Q
What is a mixture
A
2 or more substances not chemically combined and haven’t reacted
10
Q
Matter
A
Anything with mass or volume
11
Q
Atom
A
A basic unit of all matter
12
Q
Elements
A
The basic building block of all matter and is made up by atoms
13
Q
Water
A
H2O
14
Q
Methane
A
CH4
15
Q
Carbon dioxide
A
C2O
