Dr. Harley Davidson, a geologist for the University of Oklahoma, is backpacking in western Arizona when he discovers a unique, yet unknown substance. Back at his lab Dr. Davidson
measures the mass of the substance to be 35.6 grams. He then places substance in a
graduated cylinder with an initial reading of 100 mL of water which raises the water level to
115.75 ml.
Substance Density
Silicon 2.33 g/mL.
Carbon 2.26 g/mL
Iron 7.87 g/mL
Cadmium 8.65 g/mL
Using the information available to Dr. Davidson, determine the identity of the unknown
substance.
(1 Point)
A. Silicon
B. Carbon
O C. Iron
D. Cadmium