- abundances
- a·bun·dance || ə'bʌndəns n. plentifulness, copiousness; richness, wealth; number of creatures of a certain species found within a given area (Ecology)
English contemporary dictionary. 2014.
English contemporary dictionary. 2014.
Abundances of the elements (data page) — … Wikipedia
Abundances of elements — ▪ Table Abundances of elements solar system* Earth* collection efficiency (percent) hydrogen 27,000,000,000 9,500 0.00003 helium 4 2,200,000,000 0.00005 0.000000000002 carbon 12,000,000 360 0.003 nitrogen 2,500,000 79 0.003 oxygen 20,000,000… … Universalium
Abundances of the isotopes — ▪ Table Abundances of the isotopes element Z symbol A abundance mass excess hydrogen 1 H 1 99.9885 7.289 2 0.0151 13.136 helium 2 He 3 0.000138 14.931 4 99.999863 2.425 lithium 3 Li 6 7.59 14.086 7 92.41 14.908 beryllium 4 Be 9 100 11.348… … Universalium
Atmospheric abundances for Jupiter — ▪ Table Atmospheric abundances for Jupiter gas percent element measured (relative to hydrogen) Jupiter/Sun ratio Equilibrium species hydrogen (H2) 86.4 helium (He) 13.56 helium 4 0.81 water (H2O) > 0.026 oxygen > 0.82 methane (CH4) 0.21 carbon… … Universalium
Relative abundances of the elements — ▪ Table Relative abundances of the elements (percent) atom universe life (terrestrial vegetation) Earth ( crust) hydrogen 87 16 3 helium 12 0* 0 carbon 0.03 21 0.1 nitrogen 0.008 3 0.0001 oxygen 0.06 59 49 … Universalium
isotope — isotopic /uy seuh top ik/, adj. isotopically, adv. /uy seuh tohp /, n. Chem. any of two or more forms of a chemical element, having the same number of protons in the nucleus, or the same atomic number, but having different numbers of neutrons in… … Universalium
chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… … Universalium
Jupiter — /jooh pi teuhr/, n. 1. Also called Jove. the supreme deity of the ancient Romans: the god of the heavens and of weather. Cf. Zeus. 2. Astron. the planet fifth in order from the sun, having an equatorial diameter of 88,729 mi. (142,796 km), a mean … Universalium
atmosphere, evolution of — Introduction the development of Earth s (Earth) atmosphere across geologic time. The process by which the current atmosphere arose from earlier conditions is complex; however, evidence related to the evolution of Earth s atmosphere, though… … Universalium
Big Bang nucleosynthesis — In physical cosmology, Big Bang nucleosynthesis (or primordial nucleosynthesis) refers to the production of nuclei other than those of H 1 (i.e. the normal, light isotope of hydrogen, whose nuclei consist of a single proton each) during the early … Wikipedia