Chemical element
Hassium
- Hs
- Z = 108
- transition metal
- No stable isotope
Hassium (Hs) is element 108, a transition metal in period 7 and group 8. Its most stable isotope has mass number 269. Weights follow IUPAC standard atomic weights, 2021 revision.
Identity
SymbolHs
Mass number of the most stable isotope269this element has no stable isotope
Mass in kilograms4.4668501 × 10^-25
Categorytransition metal
Group8
Period7
Blockd-block
Electrons in a neutral atom108
Neutrons in the most common isotope161≈
Quantities
Molar mass269 g/mol
Mass of one mole269 grams
Atoms in one gram2.238714 × 10^21
Mass of one atom4.4668501 × 10^-22 g
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