1 . 1.67×10-27kg

• A. $5.67 \mathrm{x} {10}^{-4} \mathrm{J}$
• B. $1.67 \times {10}^{-4} \mathrm{J}$
• C. $1.6 \times {10}^{-10} \mathrm{J}$
• D. $1.28 \times {10}^{-18} \mathrm{J}$

Answer: Option D

Explanation: