Compare Elements

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

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Element comparison
Property Te Tellurium O Oxygen
Atomic Number 52 higher 8 higher
Symbol Te different O different
Name Tellurium different Oxygen different
Atomic Mass 127.6 higher 15.999 higher
Category Metalloids different Reactive Nonmetals different
Period 5 higher 2 higher
Group 16 same value 16 same value
Block p-Block same value p-Block same value
Standard State Solid different Gas different
Electronegativity 2.1 lower 3.44 lower
Atomic Radius 206 higher 152 higher
Ionization Energy 9.01 lower 13.618 lower
Electron Affinity 1.971 higher 1.461 higher
Oxidation States +6, +4, -2 different -2 different
Melting Point 722.66 K (449.51 °C) higher 54.36 K (-218.79 °C) higher
Boiling Point 1261 K (987.85 °C) higher 90.2 K (-182.95 °C) higher
Density 6.232 higher 0.0014 higher
Electron Configuration [Kr]5s2 4d10 5p4 different [He]2s2 2p4 different
Year Discovered 1782 different 1774 different

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