Compare Elements

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

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Element comparison
Property Nd Neodymium Ce Cerium
Atomic Number 60 higher 58 higher
Symbol Nd different Ce different
Name Neodymium different Cerium different
Atomic Mass 144.24 higher 140.116 higher
Category Lanthanides same value Lanthanides same value
Period 6 same value 6 same value
Group 3 same value 3 same value
Block f-Block same value f-Block same value
Standard State Solid same value Solid same value
Electronegativity 1.14 higher 1.12 higher
Atomic Radius 229 lower 235 lower
Ionization Energy 5.525 lower 5.539 lower
Electron Affinity — no data 0.5 no data
Oxidation States +3 different +4, +3 different
Melting Point 1294 K (1020.85 °C) higher 1071 K (797.85 °C) higher
Boiling Point 3347 K (3073.85 °C) lower 3697 K (3423.85 °C) lower
Density 7.01 higher 6.77 higher
Electron Configuration [Xe]6s2 4f4 different [Xe]6s2 4f1 5d1 different
Year Discovered 1885 different 1803 different

higher lower