Element
Symbol
Protons
Neutrons
Electrons Atomic # Atomic
Mass
7
lon? If yes,
charge
No
Nitrogen
7
N
Sodium
11
23
Yes, +1
Na
Gold
au
79
197
No
79
22
79
118
25
20
20
19
19
Titanium
Ti
Potassium
k
Mercury
Hg
Hydrogen H
19
41
80
76
201
0
1
lodine
I
127
Yes, -3
Uranium
92
92
238
Calcium
Ca
20
20
20
20
41
Yes, +2
Iron
Fe
30
Yes, +3
26
26
26