What is the term for the amount of substance containing Avogadro's number of particles?

What is the term for the amount of substance containing Avogadro's number of particles?

• A. Molecule
• B. Mole
• C. Atom
• D. Ion

Answer: (B)

In chemistry, the amount of substance is quantified by the mole, a unit that represents a specific number of particles. One mole contains Avogadro’s number of particles, exactly 6.022 × 10^23. That number of particles can be atoms, molecules, ions, or other entities, depending on the substance being counted. The terms molecule, atom, and ion refer to the kinds of particles themselves, not to an amount. So the term for the amount that contains Avogadro’s number of particles is the mole.

In chemistry, the amount of substance is quantified by the mole, a unit that represents a specific number of particles. One mole contains Avogadro’s number of particles, exactly 6.022 × 10^23. That number of particles can be atoms, molecules, ions, or other entities, depending on the substance being counted. The terms molecule, atom, and ion refer to the kinds of particles themselves, not to an amount. So the term for the amount that contains Avogadro’s number of particles is the mole.