Input interpretation
elements | atomic mass
Summary
median | 142.575 u highest | 294 u (oganesson) lowest | 1.008 u (hydrogen) distribution |
Units
Distribution plots
(atomic mass in unified atomic mass units)
Atomic mass rankings
1 | hydrogen | 1.008 u 2 | helium | 4.002602 u 3 | lithium | 6.94 u 4 | beryllium | 9.0121831 u 5 | boron | 10.81 u 6 | carbon | 12.011 u 7 | nitrogen | 14.007 u 8 | oxygen | 15.999 u 9 | fluorine | 18.998403163 u 10 | neon | 20.1797 u ⋮ | | 109 | meitnerium | 278 u 110 | roentgenium | 281 u 111 | darmstadtium | 281 u 112 | copernicium | 285 u 113 | nihonium | 286 u 114 | moscovium | 289 u 115 | flerovium | 289 u 116 | tennessine | 293 u 117 | livermorium | 293 u 118 | oganesson | 294 u
Unit conversions for median atomic mass 142.575 u
142.575 Da (daltons)
0.142575 kDa (kilodaltons)
2.36751×10^-22 grams
2.36751×10^-25 kg (kilograms)
142.581 chemical atomic mass units (unit officially deprecated)
142.62 physical atomic mass units (unit officially deprecated)
Corresponding quantities
Relative atomic mass A_r from A_r = m_aN_A/M_u: | 143
Molar mass M from M = m_aN_A: | 143 g/mol (grams per mole)