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A Nail Is Coated with a 0 ×\times 1020 Atoms
B) 3

Question 90

Multiple Choice

A nail is coated with a 0.053 cm thick layer of zinc.The surface area of the nail is 8.59 cm2.The density of zinc is 7.13 g/cm3.How many zinc atoms are used in the coating?


A) 5.9 ×\times 1020 atoms
B) 3.0 ×\times 1022 atoms
C) 3.8 ×\times 1022 atoms
D) 2.0 ×\times 1024 atoms
E) 1.3 ×\times 1026 atoms

Correct Answer:

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