Compare Elements

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

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Element comparison
Property S Sulfur Te Tellurium
Atomic Number 16 lower 52 lower
Symbol S different Te different
Name Sulfur different Tellurium different
Atomic Mass 32.07 lower 127.6 lower
Category Reactive Nonmetals different Metalloids different
Period 3 lower 5 lower
Group 16 same value 16 same value
Block p-Block same value p-Block same value
Standard State Solid same value Solid same value
Electronegativity 2.58 higher 2.1 higher
Atomic Radius 180 lower 206 lower
Ionization Energy 10.36 higher 9.01 higher
Electron Affinity 2.077 higher 1.971 higher
Oxidation States +6, +4, -2 same value +6, +4, -2 same value
Melting Point 388.36 K (115.21 °C) lower 722.66 K (449.51 °C) lower
Boiling Point 717.75 K (444.6 °C) lower 1261 K (987.85 °C) lower
Density 2.067 lower 6.232 lower
Electron Configuration [Ne]3s2 3p4 different [Kr]5s2 4d10 5p4 different
Year Discovered Ancient different 1782 different

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