Recognised as Chemical element
Dysprosium
- Dy
- Z = 66
- lanthanide
Dysprosium (Dy) is element 66, a lanthanide in period 6. Its standard atomic weight is 162.5 Da. Weights follow IUPAC standard atomic weights, 2021 revision.
Identity
SymbolDy
Standard atomic weight162.5atomic mass units (Da)
Mass in kilograms2.698376 × 10^-25
Categorylanthanide
GroupLanthanide/actinide series, with no group number
Period6
Blockf-block
Electrons in a neutral atom66
Neutrons in the most common isotope97≈
Quantities
Molar mass162.5 g/mol
Mass of one mole162.5 grams
Atoms in one gram3.7059328 × 10^21
Mass of one atom2.698376 × 10^-22 g
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