Carbon

Basic Information Crystal Structure Isotope Facts Related Links


Basic Data

Symbol: C
Atomic Number: 6
Atomic weight: 12.011u
Melting Point: 4100K
Boiling Point: 4470K
Number of Protons/Electrons: 6
Number of Neutrons: 6
Classification: Non-metal
Crystal Structure: Hexagonal
Density 2.62g/mL
Color: black
Bonding radius: 0.77A
Atomic radius: 0.91A
Ionization Potential: 11.26V
Electronegativity: 2.55
Heat of vaporization: 355.8kJ/mol
Heat of fusion: kJ/mol
Specific heat: 0.71J/gK
Electron configuration: 1s22s22p2



Crystal Structure


Isotopes

Isotope Half Life
C11 20.3 minutes
C12 Stable
C13 Stable
C14 5730.0 years
C15 2.5 seconds


Facts

Date of Discovery: Ancients
Discoverer:
Uses: steel, filters
Obtained From: burning with insufficient oxygen


Related Links

Radiocarbon Web-info Information about carbon-14 dating

Chemical Of The Week -- Buckyballs From the University of Wisconsin-Madison