NY Regents Chemistry Exam June 2022
32 A 26.7-gram sample of which element has a volume of 3.00 cubic centimeters at room temperature?
(1) Cr
(2) Cd
(3) Nb
(4) Ni
Explanation: Density is equal to the mass over volume. Density for this sample is 26.7g/ 3cm3 = 8.9 g/cm3. Table S on the Reference Table shows density values for all the elements.
Answer: 4