Recognised as Chemical element
Cerium
- Ce
- Z = 58
- lanthanide
Cerium (Ce) is element 58, a lanthanide in period 6. Its standard atomic weight is 140.12 Da. Weights follow IUPAC standard atomic weights, 2021 revision.
Identity
SymbolCe
Standard atomic weight140.12atomic mass units (Da)
Mass in kilograms2.3267473 × 10^-25
Categorylanthanide
GroupLanthanide/actinide series, with no group number
Period6
Blockf-block
Electrons in a neutral atom58
Neutrons in the most common isotope82≈
Quantities
Molar mass140.12 g/mol
Mass of one mole140.12 grams
Atoms in one gram4.2978452 × 10^21
Mass of one atom2.3267473 × 10^-22 g
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