Which sample contains the largest number of atoms?

Which of the following samples contains the largest number of atoms ? .

Which of the following samples contains the largest number of atoms ? .

Which one of the following samples contains the smallest number of atoms ?

Which one of the following samples contains the smallest number of atoms ?

A 1.0 gram sample of which substance contains the largest number of molecules?

A 1.0g sample of which substance contains the largest number of molecules?

Two pure samples of atoms, labeled A and B, contain oxygen atoms and carbon atoms, respectively. Each sample contains the same number of atoms. What is the ratio of the mass of sample B to that of sample A, m_B//m_A ? Note the following atomic masses: C = 12 u, 0= 16 u,

Which of the following contains the largest number of atoms -

The sample with largest number of atoms is

The sample with largest number of atoms is