Name:
Each box to be filled in with a value is worth 1 point.
Data Table 1
Radioactive
Element
Number of atoms in the
sample at Time = 0
Prediction of # atoms
that will decay when
time reaches one half-
life
Number of atoms that
have decayed when
Time = Half Life
Average number of
atoms that have
decayed when
Time = Half Life
Trial
#1
Trial
#2
Trial
#3
Carbon-14
100
50
46
45
49z
46.6
Uranium-238
100
40
50
44
53
49
Data Table 2
Percentage of the original element remaining after:
Austin Taylor
Carbon-14
