NH3<HF<H2O<CH4\mathrm{NH}_{3}<\mathrm{HF}<\mathrm{H}_{2} \mathrm{O}<\mathrm{CH}_{4}NH3<HF<H2O<CH4
CH4<NH3<HF<H2O\mathrm{CH}_{4}<\mathrm{NH}_{3}<\mathrm{HF}<\mathrm{H}_{2} \mathrm{O}CH4<NH3<HF<H2O
CH4<NH3<H2O<HF\mathrm{CH}_{4}<\mathrm{NH}_{3}<\mathrm{H}_{2} \mathrm{O}<\mathrm{HF}CH4<NH3<H2O<HF
NH3<CH4<H2O<HF\mathrm{NH}_{3}<\mathrm{CH}_{4}<\mathrm{H}_{2} \mathrm{O}<\mathrm{HF}NH3<CH4<H2O<HF