You Can Identify a Metal by Carefully Determining Its Density

Multiple Choice

You can identify a metal by carefully determining its density.A 29.51 g sample of an unknown metal is 1.50 cm long,2.50 cm wide,and 1.00 cm thick.What is the possible identity of the element?

A) Nickel; density = 8.90 g/cm³
B) Aluminum; density = 2.70 g/cm³
C) Silver; density = 10.5 g/cm³
D) Iron; density = 7.87 g/cm³
E) Chromium; density = 7.20 g/cm³