Chemistry
Grade-9
Easy

Question

Which of the following contains the maximum number of atoms?

  1. 10 carbon dioxide
  2. 1 amu of nitrogen
  3. 1 amu of oxygen
  4. 1gm of hydrogen

hintHint:

1 mole of any element has Avogadro number of atoms.

The correct answer is: 1gm of hydrogen


    • 1 mole of any element has Avogadro number of atoms.
    • 6.022cross times1023 is the Avogadro number.
    • Atomic mass of hydrogen is 1g, it has Avogadro number of atoms.
    • 1 g hydrogen contains the maximum number of atoms.

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