Compare Elements

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

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Element comparison
Property Ru Ruthenium Y Yttrium
Atomic Number 44 higher 39 higher
Symbol Ru different Y different
Name Ruthenium different Yttrium different
Atomic Mass 101.1 higher 88.9058 higher
Category Transition Metals same value Transition Metals same value
Period 5 same value 5 same value
Group 8 higher 3 higher
Block d-Block same value d-Block same value
Standard State Solid same value Solid same value
Electronegativity 2.2 higher 1.22 higher
Atomic Radius 207 lower 219 lower
Ionization Energy 7.361 higher 6.217 higher
Electron Affinity 1.05 higher 0.307 higher
Oxidation States +3 same value +3 same value
Melting Point 2607 K (2333.85 °C) higher 1795 K (1521.85 °C) higher
Boiling Point 4423 K (4149.85 °C) higher 3618 K (3344.85 °C) higher
Density 12.1 higher 4.47 higher
Electron Configuration [Kr]5s1 4d7 different [Kr]5s2 4d1 different
Year Discovered 1827 different 1794 different

higher lower