Atomic Structure Flashcards
1
Q
What does the Mass number tell you
A
Protons + neutrons
2
Q
What is in the nucleus
A
Protons and neutrons
3
Q
Number of protons is the same as
A
Number of electrons
4
Q
What is the mass of a proton
A
1
5
Q
What is the mass of a neutron
A
1
6
Q
What is the mass of an electron
A
0
7
Q
What is the charge on a proton
A
1
8
Q
What is the charge on a neutron
A
0
9
Q
What is the charge on an electron
A
-1
10
Q
What does the Atomic number equal
A
Protons
11
Q
Who proposed the plum pudding model of the atom
A
JJ Thompson
12
Q
Who discovered the nuclear model
A
Rutherford
13
Q
Who discovered the energy level model
A
Niels Bohr
14
Q
Who discovered neutrons
A
James Chadwick
15
Q
What does the group number on the periodic table tell you
A
The number of electrons in the outer shell
