Compare Elements

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

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

higher lower