Compare Elements

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

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Element comparison
Property Sc Scandium Y Yttrium
Atomic Number 21 lower 39 lower
Symbol Sc different Y different
Name Scandium different Yttrium different
Atomic Mass 44.9559 lower 88.9058 lower
Category Transition Metals same value Transition Metals same value
Period 4 lower 5 lower
Group 3 same value 3 same value
Block d-Block same value d-Block same value
Standard State Solid same value Solid same value
Electronegativity 1.36 higher 1.22 higher
Atomic Radius 211 lower 219 lower
Ionization Energy 6.561 higher 6.217 higher
Electron Affinity 0.188 lower 0.307 lower
Oxidation States +3 same value +3 same value
Melting Point 1814 K (1540.85 °C) higher 1795 K (1521.85 °C) higher
Boiling Point 3109 K (2835.85 °C) lower 3618 K (3344.85 °C) lower
Density 2.99 lower 4.47 lower
Electron Configuration [Ar]4s2 3d1 different [Kr]5s2 4d1 different
Year Discovered 1879 different 1794 different

higher lower