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Compare Fluorine vs Carbon

Comparing Fluorine (F) and Carbon (C). Atomic numbers 9 and 6 with atomic masses 18.998 u and 12.01 u, classified as nonmetal and nonmetal. 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
F
Fluorine
#9
C
Carbon
#6

Periodic properties of the elements

FluorineCarbon
SymbolFC
Atomic number96
Group1714
Period22
Blockpp
Element categoryNonmetalNonmetal

Physical properties

FluorineCarbon
Phase at STPGasSolid
Density1.696 g/cm31.821 g/cm3
Atomic weight18.9984 u12.0096 u
Melting point53.48 K
-219.67 °C
-363.406 °F		-
Boiling point85.03 K
-188.12 °C
-306.616 °F		-

Atomic properties

FluorineCarbon
Electronegativity (Pauling Scale)3.982.55
Electron affinity328.165 kJ/mol121.776 kJ/mol
Oxidation states−1, 0
(oxidizes oxygen)		−4, −3, −2, −1, 0, +1, +2, +3, +4
(a mildly acidic oxide)
Ionization energies
  1. 1681 kJ/mol
  2. 3374.2 kJ/mol
  3. 6050.4 kJ/mol
  4. 8407.7 kJ/mol
  5. 11022.7 kJ/mol
  6. 15164.1 kJ/mol
  7. 17868 kJ/mol
  8. 92038.1 kJ/mol
  9. 106434.3 kJ/mol
  1. 1086.5 kJ/mol
  2. 2352.6 kJ/mol
  3. 4620.5 kJ/mol
  4. 6222.7 kJ/mol
  5. 37831 kJ/mol
  6. 47277 kJ/mol

Electron configuration

FluorineCarbon
Shorthand configuration[He] 2s2 2p5 [He] 2s2 2p2
Full configuration1s2 2s2 2p5 1s2 2s2 2p2
Electrons per shell2, 72, 4

History

FluorineCarbon
DiscoveryAndré-Marie Ampère (1810)Egyptians and Sumerians (3750 BC)
First isolationHenri Moissan (1886)
Named byHumphry Davy, André-Marie Ampère
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