Compare Elements

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

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Element comparison
Property Os Osmium Hs Hassium
Atomic Number 76 lower 108 lower
Symbol Os different Hs different
Name Osmium different Hassium different
Atomic Mass 190.2 lower 269.1336 lower
Category Transition Metals same value Transition Metals same value
Period 6 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 216 no data — no data
Ionization Energy 8.7 no data — no data
Electron Affinity 1.1 no data — no data
Oxidation States +4, +3 different 8, 6, 5, 4, 3, 2 different
Melting Point 3306 K (3032.85 °C) no data — no data
Boiling Point 5285 K (5011.85 °C) no data — no data
Density 22.57 no data — no data
Electron Configuration [Xe]6s2 4f14 5d6 different [Rn]7s2 5f14 6d6 different
Year Discovered 1803 different 1984 different

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