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  2. Densities of the elements (data page) - Wikipedia

    en.wikipedia.org/wiki/Densities_of_the_elements...

    — "Values ranging from 21.3 to 21.5 gm/cm 3 at 20 °C have been reported for the density of annealed platinum; the best value being about 21.45 gm/cm 3 at 20 °C." 21.46 g/cm 3 — Rose, T. Kirke. The Precious Metals, Comprising Gold, Silver and Platinum .

  3. Gram per cubic centimetre - Wikipedia

    en.wikipedia.org/wiki/Gram_per_cubic_centimetre

    The gram per cubic centimetre is a unit of density in the CGS system, and is commonly used in chemistry. It is defined by dividing the CGS unit of mass, the gram, by the CGS unit of volume, the cubic centimetre. The official SI symbols are g/cm 3, g·cm −3, or g cm −3. It is equivalent to the units gram per millilitre (g/mL) and kilogram ...

  4. Graphite - Wikipedia

    en.wikipedia.org/wiki/Graphite

    Density: 2.09–2.23 g/cm 3: Optical properties: Uniaxial (−) Pleochroism: ... A carbon raiser is added to increase the carbon content of the steel to a specified ...

  5. Carbon group - Wikipedia

    en.wikipedia.org/wiki/Carbon_group

    The densities of the carbon group elements tend to increase with increasing atomic number. Carbon has a density of 2.26 g·cm −3; silicon, 2.33 g·cm −3; germanium, 5.32 g·cm −3; tin, 7.26 g·cm −3; lead, 11.3 g·cm −3. [13] The atomic radii of the carbon group elements

  6. Energy density Extended Reference Table - Wikipedia

    en.wikipedia.org/wiki/Energy_density_Extended...

    This is an extended version of the energy density table from the main Energy density page: Energy densities table ... Zinc–Carbon [23] 0.13: 0.331: battery, Lead ...

  7. Carbon - Wikipedia

    en.wikipedia.org/wiki/Carbon

    Carbon (from Latin carbo 'coal') is a chemical element; it has symbol C and atomic number 6. It is nonmetallic and tetravalent—meaning that its atoms are able to form up to four covalent bonds due to its valence shell exhibiting 4 electrons. It belongs to group 14 of the periodic table. [13] Carbon makes up about 0.025 percent of Earth's ...

  8. Carbon dioxide (data page) - Wikipedia

    en.wikipedia.org/wiki/Carbon_dioxide_(data_page)

    To convert heat values to joules per mole values, multiply by 44.095 g/mol. To convert densities to moles per liter, multiply by 22.678 cm 3 mol/(L·g). Data obtained from CRC Handbook of Chemistry and Physics , 44th ed. pages 2560–2561, except for critical temperature line (31.1 °C) and temperatures −30 °C and below, which are taken from ...

  9. Polycarbonate - Wikipedia

    en.wikipedia.org/wiki/Polycarbonate

    Density (ρ) 1.20–1.22 g/cm 3: Abbe number (V) 34.0: Refractive index (n) 1.584–1.586: Flammability: ... Carbon dioxide: 400–800 cm 3 ·mm/(m 2 ·day·Bar ...