Chemistry
Grade-9
Easy
Question
Which of the following contains the maximum number of atoms?
- 10 carbon dioxide
- 1 amu of nitrogen
- 1 amu of oxygen
- 1gm of hydrogen
Hint:
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.
- 6.0221023 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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