REPORT SHEET: LAB 1 CHEM 108
Ashley Martin
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SIMULATION: Isotopes and Atomic Mass
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I. Carbon isotopes: “Make Isotopes”
First unstable “heavy” isotope:
Mass number
Isotope name
# of protons
# of neutrons
14
Carbon-14
6
8
First unstable “light” isotope:
Mass number
Isotope name
# of protons
# of neutrons
11
Carbon-11
6
5
Most abundant isotope:
Mass number
Isotope name
% abundance
12
Carbon-12
98.93
II. Oxygen isotopes: “Make Isotopes”
Heaviest stable isotope:
Mass number
Isotope name
# of protons
# of neutrons
18
Oxygen-18
8
10
III. Chlorine isotopes: “Mix Isotopes”
Composition of Cl found nature: in
# 35Cl atoms
# 37Cl atoms
% abundance 35Cl
% abundance 37Cl
10
3
75.76
24.24
CHEM 108
EXPERIMENT: Laboratory Techniques Measurements and
Use rules of signiicant igures; include units with each result.
Data Table Length measurements 1:
Object
Length (cm)
Length (mm)
Length (m)
CD or DVD
12
120
0.12
Key
5.2
52
0.0052
Spoon
17.2
172
0.172
Fork
20.3
203
0.203
Data Table Temperature measurements 2:
Water
Temperature (°C)
Temperature (°F)
Temperature (K)
Hot from tap
43.3
