BIO 137 Kitchen Chemistry 2

Lab 3: Kitchen Countertop Chemistry – Chemical Change, Radioisotopes, and Lipids
Worksheet
(Attach photos to the last sheet)
Data Sheets
Enter the data and mark the graphs on Word and resubmit it as part of the assignment.
45 M & Ms

90 M & Ms
Half-life
# of Undecayed Atoms
# of Decayed Atoms

Half-life
# of Undecayed Atoms
# of Decayed Atoms
0
45 M & Ms
0

0
90 M & Ms
0
1
19
23

1
50
40
2
12
7

2
23
27
3
3
9

3
6
17
4
0
3

4
3
3
5

5
1
2
6

6
0
1
7

7

8

8

9

9

10

10

11

11

135 M & Ms
Half-life
# of Undecayed Atoms
# of Decayed Atoms
0
135 M & Ms
0
1
65
70
2
37
20
3
26
13
4
11
15
5
6
5
6
2
4
7
2
0
8
2
0
9
1
1
10
0
1
11

Graph Paper
45 M&Ms
45

X

44

43

42

41

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

22

21

20

19

X

18

17

16

15

14

13

12

X