Input interpretation
actinides | atomic mass
Summary
median | 247 u highest | 262 u (lawrencium) lowest | 227 u (actinium) distribution |
Units
Distribution plots
(atomic mass in unified atomic mass units)
Atomic mass rankings
1 | actinium | 227 u 2 | protactinium | 231.03588 u 3 | thorium | 232.0377 u 4 | neptunium | 237 u 5 | uranium | 238.02891 u 6 | americium | 243 u 7 | plutonium | 244 u 8 | berkelium | 247 u 9 | curium | 247 u 10 | californium | 251 u 11 | einsteinium | 252 u 12 | fermium | 257 u 13 | mendelevium | 258 u 14 | nobelium | 259 u 15 | lawrencium | 262 u
Unit conversions for median atomic mass 247 u
247 Da (daltons)
0.247 kDa (kilodaltons)
4.1×10^-22 grams
4.1×10^-25 kg (kilograms)
247 chemical atomic mass units (unit officially deprecated)
247 physical atomic mass units (unit officially deprecated)
Comparison for median atomic mass 247 u
≈ 1.2 × lead-208 atomic mass ( ≈ 208 u )
Corresponding quantities
Relative atomic mass A_r from A_r = m_aN_A/M_u: | 247
Molar mass M from M = m_aN_A: | 247 g/mol (grams per mole)