Compare Elements

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

Swap
Element comparison
Property Sc Scandium Ce Cerium
Atomic Number 21 lower 58 lower
Symbol Sc different Ce different
Name Scandium different Cerium different
Atomic Mass 44.9559 lower 140.116 lower
Category Transition Metals different Lanthanides different
Period 4 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 1.36 higher 1.12 higher
Atomic Radius 211 lower 235 lower
Ionization Energy 6.561 higher 5.539 higher
Electron Affinity 0.188 lower 0.5 lower
Oxidation States +3 different +4, +3 different
Melting Point 1814 K (1540.85 °C) higher 1071 K (797.85 °C) higher
Boiling Point 3109 K (2835.85 °C) lower 3697 K (3423.85 °C) lower
Density 2.99 lower 6.77 lower
Electron Configuration [Ar]4s2 3d1 different [Xe]6s2 4f1 5d1 different
Year Discovered 1879 different 1803 different

higher lower