Physics · UNITS AND MEASUREMENT

The mole is the SI unit of amount of substance. One mole contains exactly how many elementary entities?

1. A
   \( 6.02214076 \times 10^{22} \)
2. B
   \( 6.02214076 \times 10^{23} \)
3. C
   \( 1.380649 \times 10^{-23} \)
4. D
   \( 6.62607015 \times 10^{-34} \)