Chemistry
Grade-9
Easy
Question
1 mole of ‘P’ molecule has how many atoms?
- 4 × 6.022 × 1023 atoms
- 2 × 6.022 × 1023 atoms
- 6.022 × 1023 atom
- 4 × 6.022 × 1025 atoms
Hint:
One mole of P molecule has 4 phosphorus.
The correct answer is: 4 × 6.022 × 1023 atoms
One mole of P molecule has 4 phosphorus, P4.
One P has Avogadro number of atoms i.e. 6.022 
1023 atoms.
4 P has 46.0221023 atoms.
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