Compare Elements

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

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Element comparison
Property Y Yttrium Pr Praseodymium
Atomic Number 39 lower 59 lower
Symbol Y different Pr different
Name Yttrium different Praseodymium different
Atomic Mass 88.9058 lower 140.9077 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 1.13 higher
Atomic Radius 219 lower 239 lower
Ionization Energy 6.217 higher 5.464 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 1204 K (930.85 °C) higher
Boiling Point 3618 K (3344.85 °C) lower 3793 K (3519.85 °C) lower
Density 4.47 lower 6.77 lower
Electron Configuration [Kr]5s2 4d1 different [Xe]6s2 4f3 different
Year Discovered 1794 different 1885 different

higher lower