Atomic Structure Flashcards
1
Q
4 people that discovered stuff about the atom
A
- dalton
- Thompson
- Rutherford
- Chadwick
2
Q
What did dalton find
A
All elements are made up of small invisible particles called atoms
3
Q
What did Thompson find
A
-the electron
And made the diagram called the plum pudding model
-he said that in atoms there are negative electrons embedded in a sphere of positive charge
4
Q
What did Rutherford find
A
Protons
5
Q
What did Chadwick find
A
Neutrons
6
Q
Charge of electrons
A
-1
7
Q
charge of protons
A
+1
8
Q
Charge of neutrons
A
0
9
Q
Mass of electrons
A
1
1840
10
Q
Mass of protons
A
1
11
Q
Mass of neutrons
A
1
12
Q
Location of electrons
A
Shells
13
Q
Location of protons
A
Nucleus
14
Q
Location of neutrons
A
Nucleus
15
Q
Radius of atoms
A
1x10 to the power of -10m (0.1nm)
