Input interpretation
![gaseous elements (at STP) | atomic mass](../image_source/c181cf6212106626b099b255c27e2ce2.png)
gaseous elements (at STP) | atomic mass
Summary
![median | 20.1797 u highest | 222 u (radon) lowest | 1.008 u (hydrogen) distribution |](../image_source/21e576593cc30865534f6b3c2d782aee.png)
median | 20.1797 u highest | 222 u (radon) lowest | 1.008 u (hydrogen) distribution |
Units
Distribution plots
![(atomic mass in unified atomic mass units)](../image_source/9c65b68de99bfb60fe6464be4db63e73.png)
(atomic mass in unified atomic mass units)
Atomic mass rankings
![1 | hydrogen | 1.008 u 2 | helium | 4.002602 u 3 | nitrogen | 14.007 u 4 | oxygen | 15.999 u 5 | fluorine | 18.998403163 u 6 | neon | 20.1797 u 7 | chlorine | 35.45 u 8 | argon | 39.948 u 9 | krypton | 83.798 u 10 | xenon | 131.293 u 11 | radon | 222 u](../image_source/00e115fcc7948ca707f9ea13e2ffc2f1.png)
1 | hydrogen | 1.008 u 2 | helium | 4.002602 u 3 | nitrogen | 14.007 u 4 | oxygen | 15.999 u 5 | fluorine | 18.998403163 u 6 | neon | 20.1797 u 7 | chlorine | 35.45 u 8 | argon | 39.948 u 9 | krypton | 83.798 u 10 | xenon | 131.293 u 11 | radon | 222 u
Unit conversions for median atomic mass 20.1797 u
![20.1797 Da (daltons)](../image_source/7a4be3888b2224662bc1a544d7f27477.png)
20.1797 Da (daltons)
![0.0201797 kDa (kilodaltons)](../image_source/7ff144f76fb1648c53a958edd0c53694.png)
0.0201797 kDa (kilodaltons)
![3.35092×10^-23 grams](../image_source/5c0827dbb126480246bbc2eda55e3ef2.png)
3.35092×10^-23 grams
![3.35092×10^-26 kg (kilograms)](../image_source/1b6e276ad184759f995d9d6f57b92337.png)
3.35092×10^-26 kg (kilograms)
![20.1806 chemical atomic mass units (unit officially deprecated)](../image_source/9363b49e4f6369e5aafeec4cac3b5d8f.png)
20.1806 chemical atomic mass units (unit officially deprecated)
![20.1861 physical atomic mass units (unit officially deprecated)](../image_source/0baa8af87209b5c5a7339d0cae12a467.png)
20.1861 physical atomic mass units (unit officially deprecated)
Corresponding quantities
![Relative atomic mass A_r from A_r = m_aN_A/M_u: | 20](../image_source/0cb75db3146a50b3a9d8c397000e7618.png)
Relative atomic mass A_r from A_r = m_aN_A/M_u: | 20
![Molar mass M from M = m_aN_A: | 20 g/mol (grams per mole)](../image_source/33bb330b1da237e0047e3ff1be472342.png)
Molar mass M from M = m_aN_A: | 20 g/mol (grams per mole)