1.66054×10−27 kg1.66054 \times 10^{-27} \mathrm{~kg}1.66054×10−27 kg
1.007825×10−27 kg1.007825 \times 10^{-27} \mathrm{~kg}1.007825×10−27 kg
1.008665×10−27 kg1.008665 \times 10^{-27} \mathrm{~kg}1.008665×10−27 kg
9.1×10−31 kg9.1 \times 10^{-31} \mathrm{~kg}9.1×10−31 kg
