Name: _________________________________________ PAtomic number
# of Protons
31
# of neutrons
Mass Number
Date:__________________
# of electrons
Name of the
element
Isotope Symbol
67
122
51
126
209
84
42
37
53
Name: _________________________________________ PAtomic number
Sb
# of Protons
65
# of neutrons
Mass Number
Date:__________________
# of electrons
Name of the
element
Isotope Symbol
94
108
47
173
285
201
27
80
32
Name: _________________________________________ PAtomic number
# of Protons
78
# of neutrons
Mass Number
Date:__________________
# of electrons
Name of the
element
Isotope Symbol
119
59
28
80
136
133
19
Ag
20
55
Ni