Compare Elements

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

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Element comparison
Property Nd Neodymium Sc Scandium
Atomic Number 60 higher 21 higher
Symbol Nd different Sc different
Name Neodymium different Scandium different
Atomic Mass 144.24 higher 44.9559 higher
Category Lanthanides different Transition Metals different
Period 6 higher 4 higher
Group 3 same value 3 same value
Block f-Block different d-Block different
Standard State Solid same value Solid same value
Electronegativity 1.14 lower 1.36 lower
Atomic Radius 229 higher 211 higher
Ionization Energy 5.525 lower 6.561 lower
Electron Affinity — no data 0.188 no data
Oxidation States +3 same value +3 same value
Melting Point 1294 K (1020.85 °C) lower 1814 K (1540.85 °C) lower
Boiling Point 3347 K (3073.85 °C) higher 3109 K (2835.85 °C) higher
Density 7.01 higher 2.99 higher
Electron Configuration [Xe]6s2 4f4 different [Ar]4s2 3d1 different
Year Discovered 1885 different 1879 different

higher lower