Question

a ______ is defined as the amount of substance containing the same number of discrete particles as the number of atoms in a 12.00 - gram sample of pure carbon. select the correct answer below: neutron mole mass unit proton

Explanation:

The mole is defined as the amount of substance containing as many elementary entities (such as atoms, molecules, etc.) as there are atoms in 12.00 grams of pure carbon - 12. Neutrons and protons are sub - atomic particles, and mass unit is a more general term not specific to this definition.

Answer:

B. mole