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Compare Ytterbium vs Hassium

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Periodic properties of the elements

ElementYtterbiumHassium
SymbolYbHs
Atomic number70108
Group08
Period67
Blockfd
Element categoryLanthanideTransition Metal

Physical properties

Phase at STPSolidSolid
Density6.9 g/cm340.7 g/cm3
Atomic weight173.045 u269 u
Melting point1097 K
823.85 °C
1514.93 °F		126 K
-147.15 °C
-232.87 °F
Boiling point1469 K
1195.85 °C
2184.53 °F		-

Atomic properties

Electronegativity (Pauling Scale)1.1
Electron affinity-1.93 kJ/mol kJ/mol
Oxidation states0, +1, +2, +3
(a basic oxide)		(+2), (+3), (+4), (+6), +8
(prediction)
Ionization energies
  1. 603.4 kJ/mol
  2. 1174.8 kJ/mol
  3. 2417 kJ/mol
  4. 4203 kJ/mol
  1. 733.3 kJ/mol
  2. 1756.0 kJ/mol
  3. 2827.0 kJ/mol
  4. 3637.5 kJ/mol
  5. 4940.0 kJ/mol
  6. 6175.1 kJ/mol
  7. 7535.5 kJ/mol
  8. 8857.4 kJ/mol

Electron configuration

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[Xe] 4f14 6s2 [Rn] 5f14 6d6 7s2
Electron configuration1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 6s2 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d6 7s2
Electrons per shell2, 8, 18, 32, 8, 22, 8, 18, 32, 32, 14, 2

History

DiscoveryJean Charles Galissard de Marignac (1878)Gesellschaft für Schwerionenforschung (1984)
First isolationCarl Auer von Welsbach (1906)