CREF 3 Flashcards
1
Q
P=
A
Protons
2
Q
E=
A
Electrons
3
Q
N=
A
Neutrons
4
Q
Number of Neutrons=
A
Mass number - Atomic number
5
Q
The number of protons equals
A
The number of electrons
6
Q
Mass number =
A
Mass in nucleus
7
Q
Atomic number =
A
Proton number
8
Q
Mass in nucleus =
A
Number of protons + neutrons
