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atomic mass of elements

Input interpretation

elements | atomic mass
elements | atomic mass

Summary

median | 142.575 u highest | 294 u (oganesson) lowest | 1.008 u (hydrogen) distribution |
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 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
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)
142.575 Da (daltons)
0.142575 kDa (kilodaltons)
0.142575 kDa (kilodaltons)
2.36751×10^-22 grams
2.36751×10^-22 grams
2.36751×10^-25 kg (kilograms)
2.36751×10^-25 kg (kilograms)
142.581 chemical atomic mass units  (unit officially deprecated)
142.581 chemical atomic mass units (unit officially deprecated)
142.62 physical 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
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)
Molar mass M from M = m_aN_A: | 143 g/mol (grams per mole)