Statements (92)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:chemical_compound
|
| gptkbp:abundanceInHumanBody |
second most abundant element by mass
|
| gptkbp:abundanceInUniverse |
fourth most abundant element
|
| gptkbp:allotropes |
gptkb:jewelry
gptkb:amorphous_carbon gptkb:fullerenes graphene graphite carbon nanotubes |
| gptkbp:appearance |
black (graphite), transparent (diamond)
|
| gptkbp:atomicNumber |
6
|
| gptkbp:block |
p-block
|
| gptkbp:boilingPoint |
sublimates at 3915 K (graphite)
|
| gptkbp:CASNumber |
7440-44-0
|
| gptkbp:category |
nonmetal
|
| gptkbp:compounds |
gptkb:fullerenes
gptkb:urea graphene calcium carbonate carbon dioxide ethanol glucose methane carbon monoxide acetylene activated carbon benzene carbon black carbon disulfide carbon tetrachloride sodium bicarbonate sodium carbonate |
| gptkbp:crystalSystem |
diamond cubic (diamond)
hexagonal (graphite) |
| gptkbp:cycle |
combustion
photosynthesis carbon cycle decomposition respiration |
| gptkbp:density |
2.267 g/cm³ (graphite), 3.513 g/cm³ (diamond)
|
| gptkbp:discoveredBy |
known since antiquity
|
| gptkbp:electricalConductivity |
high (graphite), low (diamond)
|
| gptkbp:electronConfiguration |
[He] 2s2 2p2
|
| gptkbp:electronegativity |
2.55 (Pauling scale)
|
| gptkbp:essentialForLife |
true
|
| gptkbp:form |
organic compounds
covalent bonds |
| gptkbp:foundIn |
Earth's crust
living organisms atmosphere (as CO2) |
| https://www.w3.org/2000/01/rdf-schema#label |
Carbon
|
| gptkbp:isotopes |
gptkb:14C
12C 13C |
| gptkbp:meltingPoint |
sublimates at 3915 K (graphite)
|
| gptkbp:molecularWeight |
12.011 g/mol
|
| gptkbp:mostStableIsotope |
12C
|
| gptkbp:namedFor |
gptkb:Antoine_Lavoisier
|
| gptkbp:nameOrigin |
Latin 'carbo' meaning coal
|
| gptkbp:oxidationStates |
+1
+2 +3 -4 0 +4 -1 -3 -2 |
| gptkbp:period |
2
|
| gptkbp:phaseAtSTP |
gptkb:stone
|
| gptkbp:positionInPeriodicTable |
period 2, group 14
|
| gptkbp:radioactive |
gptkb:14C
|
| gptkbp:relatedGroup |
14
|
| gptkbp:roleInBiology |
basis of organic molecules
component of DNA, proteins, carbohydrates, fats |
| gptkbp:roleInEnvironment |
carbon sink (forests, oceans)
carbon source (combustion, respiration) greenhouse gas (as CO2, CH4) |
| gptkbp:roleInIndustry |
steel, plastics, fuels, pharmaceuticals
|
| gptkbp:standardState |
gptkb:stone
|
| gptkbp:symbol |
C
|
| gptkbp:thermalConductivity |
very high (diamond)
|
| gptkbp:toxicity |
non-toxic in elemental form
|
| gptkbp:uses |
organic chemistry
steel production filters lubricants electronics (graphene, nanotubes) fuel (coal, charcoal) jewelry (diamond) |
| gptkbp:bfsParent |
gptkb:Walthamite
|
| gptkbp:bfsLayer |
4
|