Compare Elements

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

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Element comparison
Property Ne Neon Xe Xenon
Atomic Number 10 lower 54 lower
Symbol Ne different Xe different
Name Neon different Xenon different
Atomic Mass 20.18 lower 131.29 lower
Category Noble Gases same value Noble Gases same value
Period 2 lower 5 lower
Group 18 same value 18 same value
Block p-Block same value p-Block same value
Standard State Gas same value Gas same value
Electronegativity — no data 2.6 no data
Atomic Radius 154 lower 216 lower
Ionization Energy 21.565 higher 12.13 higher
Electron Affinity — no data — no data
Oxidation States 0 same value 0 same value
Melting Point 24.56 K (-248.59 °C) lower 161.36 K (-111.79 °C) lower
Boiling Point 27.07 K (-246.08 °C) lower 165.03 K (-108.12 °C) lower
Density 0.0009 lower 0.0059 lower
Electron Configuration [He]2s2 2p6 different [Kr]5s2 4d10 5p6 different
Year Discovered 1898 same value 1898 same value

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