terrestrial abundance

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• Abundance of the chemical elements — Estimated proportions of matter, dark matter and dark energy in the universe. Only the fraction of the mass and energy in the universe labeled atoms is composed of chemical elements. The abundance of a chemical element measures how relatively… …   Wikipedia

• Occupancy-abundance relationship — In macroecology, the occupancy abundance (O A) relationship is the relationship between the abundance of species and the size of their ranges within a region. This relationship is perhaps one of the most well documented relationships in… …   Wikipedia

• Properties of the halogen elements — ▪ Table Properties of the halogen elements fluorine chlorine atomic number 9 17 atomic weight 18.9984 35.453* colour of element light greenish yellow greenish yellow melting point (°C) −219.62 −100.98 boiling point (°C) −188.14 −34.05 density… …   Universalium

• Some properties of the carbon group elements — ▪ Table Some properties of the carbon group elements carbon silicon atomic number 6 14 atomic weight 12.011 28.086 colour of element colourless (diamond [D]), black (graphite [G]) gray melting point (°C) >3,500 (D) 1,420 boiling point (°C) 4,827… …   Universalium

• Some properties of the alkaline metals — ▪ Table Some properties of the alkaline metals beryllium magnesium calcium atomic number 4 12 20 atomic weight (stablest isotope) 9.0122 24.312 40.08 colour of element gray silvery white silvery white melting point (°C) 1,283 650 842–48 boiling… …   Universalium

• Some properties of the boron group elements — ▪ Table Some properties of the boron group elements boron aluminum atomic number 5 13 atomic weight 10.811 26.9815 colour of element brown silver white melting point (°C) 2,100–2,200 659.7 boiling point (°C) sublimes 2,550 2,467 density ●   solid …   Universalium

• Chlorine-37 — Full table General Name, symbol Chlorine 37,37Cl Neutrons 20 Protons 17 …   Wikipedia

• Indium — Not to be confused with Iridium. cadmium ← indium → tin Ga ↑ In ↓ Tl …   Wikipedia

• Donald Howard Menzel — by Babette Whipple Born April 11, 1901 …   Wikipedia

• Yarikh — ▪ Semitic deity also spelled  Yareah,         ancient West Semitic moon god whose marriage to the moon goddess Nikkal (Sumerian: Ningal, “Queen”) was the subject of a poem from ancient Ugarit. The first part of the poem recorded the courtship and …   Universalium

• Properties of the alkali metals — ▪ Table Properties of the alkali metals lithium sodium potassium rubidium cesium francium atomic number 3 11 19 37 55 87 atomic weight (or stablest isotope) 6.94 22.99 39.1 85.47 132.91 223 colour of element silver silver silver …   Universalium