Level 4: You are attempting to identify an unknown substance. Use the table to
answer the questions below.
Substance
Formula Mass,
Color
Physical
State
Density Boiling
. (g/cm) Point,'c
Methane
CH
16.0
Gas
Colorless
0.423
-161.5
Ammonia
NH
17.0
Gas
Colorless
0.70
-33
Unknown
???
???
???
???
PP?
???
Propane
CH
44.1
Gas
Colorless
0.493
-49.1
Bromine
Bry
159.8
Liquid
Red
4.04
58.8
Lithium
Li
6.94
Solid
0.534
1342
Silvery,
white
metal
Magnesium Mg
24.3
Solid
1.74
1090
Silver,
white
metal
Your goal is to identify what substance the unknown is. List 5 testa/observations you
could use to determine what the unknown substance in the chart is using your
knowledge of chemical and physical properties.
Test/Observations #1:
Test/Observations #2:
Test/Observations #3:
Test/Observations #4:
Test/Observations #5:
Answers: 1
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Level 4: You are attempting to identify an unknown substance. Use the table to
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