Compare Elements

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

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Element comparison
Property Y Yttrium Nd Neodymium
Atomic Number 39 lower 60 lower
Symbol Y different Nd different
Name Yttrium different Neodymium different
Atomic Mass 88.9058 lower 144.24 lower
Category Transition Metals different Lanthanides different
Period 5 lower 6 lower
Group 3 same value 3 same value
Block d-Block different f-Block different
Standard State Solid same value Solid same value
Electronegativity 1.22 higher 1.14 higher
Atomic Radius 219 lower 229 lower
Ionization Energy 6.217 higher 5.525 higher
Electron Affinity 0.307 no data — no data
Oxidation States +3 same value +3 same value
Melting Point 1795 K (1521.85 °C) higher 1294 K (1020.85 °C) higher
Boiling Point 3618 K (3344.85 °C) higher 3347 K (3073.85 °C) higher
Density 4.47 lower 7.01 lower
Electron Configuration [Kr]5s2 4d1 different [Xe]6s2 4f4 different
Year Discovered 1794 different 1885 different

higher lower