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The number of atoms in a molecule of the elementary substance is called ________.
  • a)
    Atomic number
  • b)
    Avogadro number
  • c)
    Atomic mass
  • d)
    Atomicity
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
The number of atoms in a molecule of the elementary substance is calle...
Explanation for correct option:

Option D: Atomicity:

The number of atoms in a molecule of the elementary substance is called atomicity.

Example:

One molecule of Carbon dioxide , contains one atom of carbon and two atoms of oxygen .
Thus, the total number of atoms or atomicity of Carbon dioxide is .
Explanation for Incorrect options:

Option A: Atomic number:

Atomic number refers to the number of protons in an element.

Option B: Avogadro number:

Avogadro number refers to the number of units in a mole of a substance.

Option C: Atomic mass scale:

The atomic mass scale refers to the mass of one atom of .

Thus, option (D) is the correct option. The number of atoms in a molecule of the elementary substance is called atomicity.
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The number of atoms in a molecule of the elementary substance is called ________.a)Atomic numberb)Avogadro numberc)Atomic massd)AtomicityCorrect answer is option 'D'. Can you explain this answer?
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