Compare Elements

Compare two chemical elements side by side across 19 atomic and physical properties.

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Element comparison
Property Hs Hassium Ru Ruthenium
Atomic Number 108 higher 44 higher
Symbol Hs different Ru different
Name Hassium different Ruthenium different
Atomic Mass 269.1336 higher 101.1 higher
Category Transition Metals same value Transition Metals same value
Period 7 higher 5 higher
Group 8 same value 8 same value
Block d-Block same value d-Block same value
Standard State Solid same value Solid same value
Electronegativity — no data 2.2 no data
Atomic Radius — no data 207 no data
Ionization Energy — no data 7.361 no data
Electron Affinity — no data 1.05 no data
Oxidation States 8, 6, 5, 4, 3, 2 different +3 different
Melting Point — no data 2607 K (2333.85 °C) no data
Boiling Point — no data 4423 K (4149.85 °C) no data
Density — no data 12.1 no data
Electron Configuration [Rn]7s2 5f14 6d6 different [Kr]5s1 4d7 different
Year Discovered 1984 different 1827 different

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