Compare Elements

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

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Element comparison
Property Ru Ruthenium Fe Iron
Atomic Number 44 higher 26 higher
Symbol Ru different Fe different
Name Ruthenium different Iron different
Atomic Mass 101.1 higher 55.84 higher
Category Transition Metals same value Transition Metals same value
Period 5 higher 4 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 2.2 higher 1.83 higher
Atomic Radius 207 higher 194 higher
Ionization Energy 7.361 lower 7.902 lower
Electron Affinity 1.05 higher 0.163 higher
Oxidation States +3 different +3, +2 different
Melting Point 2607 K (2333.85 °C) higher 1811 K (1537.85 °C) higher
Boiling Point 4423 K (4149.85 °C) higher 3134 K (2860.85 °C) higher
Density 12.1 higher 7.874 higher
Electron Configuration [Kr]5s1 4d7 different [Ar]4s2 3d6 different
Year Discovered 1827 different Ancient different

higher lower