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Compare Oxygen vs Tellurium

Comparing Oxygen (O) and Tellurium (Te). Atomic numbers 8 and 52 with atomic masses 15.999 u and 127.603 u, classified as nonmetal and metalloid. Below: a side-by-side comparison of their physical, atomic, electron-configuration and historical properties, including density, melting and boiling points, ionization energies, oxidation states and discovery history.

vs
O
Oxygen
#8
Te
Tellurium
#52

Periodic properties of the elements

OxygenTellurium
SymbolOTe
Atomic number852
Group1616
Period25
Blockpp
Element categoryNonmetalMetalloid

Physical properties

OxygenTellurium
Phase at STPGasSolid
Density1.429 g/cm36.24 g/cm3
Atomic weight15.999 u127.603 u
Melting point54.36 K
-218.79 °C
-361.822 °F		722.66 K
449.51 °C
841.118 °F
Boiling point90.188 K
-182.962 °C
-297.3316 °F		1261 K
987.85 °C
1810.13 °F

Atomic properties

OxygenTellurium
Electronegativity (Pauling Scale)3.442.1
Electron affinity140.976 kJ/mol190.161 kJ/mol
Oxidation states−2, −1, 0, +1, +2
()		−2, −1, +1, +2, +3, +4, +5, +6
(a mildly acidic oxide)
Ionization energies
  1. 1313.9 kJ/mol
  2. 3388.3 kJ/mol
  3. 5300.5 kJ/mol
  4. 7469.2 kJ/mol
  5. 10989.5 kJ/mol
  6. 13326.5 kJ/mol
  7. 71330 kJ/mol
  8. 84078 kJ/mol
  1. 869.3 kJ/mol
  2. 1790 kJ/mol
  3. 2698 kJ/mol
  4. 3610 kJ/mol
  5. 5668 kJ/mol
  6. 6820 kJ/mol
  7. 13200 kJ/mol

Electron configuration

OxygenTellurium
Shorthand configuration[He] 2s2 2p4 [Kr] 4d10 5s2 5p4
Full configuration1s2 2s2 2p4 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p4
Electrons per shell2, 62, 8, 18, 18, 6

History

OxygenTellurium
DiscoveryCarl Wilhelm Scheele, Joseph Priestley (1774)Franz-Joseph Müller von Reichenstein (1782)
First isolationMartin Heinrich Klaproth
Named byAntoine Lavoisier (1777)Martin Heinrich Klaproth (1798)
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