atomic structure Flashcards
1
Q
radius of an atom
A
1 x 10^-10
2
Q
radius of the nucleus
A
1 x 10^-14
3
Q
protons
A
positive
4
Q
neutrons
A
neutral
5
Q
electron
A
negative
6
Q
proton relative mass
A
1
7
Q
proton relative charge
A
+1
8
Q
neutron relative mass
A
1
9
Q
neutron relative charge
A
0
10
Q
electron relative mass
A
very small
11
Q
electron relative charge
A
- 1
12
Q
number of neutrons
A
mass number - atomic number
13
Q
number of protons
A
atomic number
14
Q
number of electrons
A
atomic number