Which of the following is true of a 1 gram sample of iron?
A) It contains a very, very small number of atoms, since each individual atom has a large mass.
B) It contains a very huge number of atoms, each of which is fairly massive.
C) It contains a very, very huge number of atoms, each of which has an extremely tiny mass.
D) none of the above

Question

Quizplus · Accepted Answer

A 1 gram sample of iron contains a very large number of atoms because each atom has an extremely tiny mass. This is consistent with the concept of Avogadro's number, which indicates that even small amounts of a substance contain a vast number of atoms or molecules.

Which of the Following Is True of a 1 Gram