Helium > Related Articles

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Contents 1 Parent topics 2 Subtopics 3 Other related topics 4 Bot-suggested topics

Parent topics

Subtopics

Other related topics

Bot-suggested topics

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• Alpha decay [r]: Radioactive decay that stabilizes a nucleus by emitting an alpha particle, the nucleus of a helium atom (He²⁺). [e]
• Alpha particle [r]: helium nucleus; particle of charge 2e and mass 4 u. [e]
• Aluminum [r]: The third most abundant metal on Earth, [e]
• Apollo Command-Service Module [r]: Three-man spacecraft built for NASA by North American Aviation, and one of the two spacecraft that were utilized for the Apollo program, along with the Lunar Module, to land astronauts on the Moon. [e]
• Argon [r]: A chemical element with atomic number 18. It is an inert gas in group 18 of the modern periodic table. [e]
• Arsenic [r]: A chemical element, having the chemical symbol As, and atomic number (the number of protons) 33. [e]
• Astatine [r]: A radioactive chemical element with atomic number Z=85. [e]
• Atmosphere [r]: The layers of gas surrounding stars and planets. [e]
• Atom (science) [r]: The defining unit of chemical elements. [e]
• Atomic electron configuration [r]: A specification of the occupation of an atom's electron orbitals by electrons. [e]
• Atomic mass [r]: The mass of an atom expressed in unified atomic mass units (u) and formerly known as atomic weight. [e]
• Atomic number [r]: The number of protons in the nucleus of a single atom of a chemical element. [e]
• Atomic radius [r]: A measure of the size of an atom, usually the distance from the nucleus to the boundary of the surrounding cloud of electrons. [e]
• Beryllium [r]: A chemical element, having the chemical symbol Be, and atomic number (the number of protons) 4. [e]
• Boron [r]: A rare chemical element (atomic number = 5) present in 0.0003% of the earth's crust, mostly as borax and kernite. [e]
• Bromine [r]: A chemical element, having the chemical symbol Br, and atomic number (the number of protons) 35. [e]
• Cadmium [r]: A chemical element with the symbol Cd and atomic number 48. [e]
• Calcium [r]: The chemical element with the symbol Ca and atomic number 20. [e]
• Carbon [r]: Fourth most abundant chemical element in the Universe, with atomic number Z=6. [e]
• Catalog of magnetic nuclei [r]: Add brief definition or description
• Chemical elements [r]: Chemical elements, in one sense of the term, refers to species or types of atoms and, in another sense of the term, refers to chemical pure substances each composed of atoms solely of a single species or type. [e]
• Chemistry [r]: The science of matter, or of the electrical or electrostatical interactions of matter. [e]
• Chlorine [r]: A chemical element, having the chemical symbol Cl, and atomic number (the number of protons) 17. [e]
• Chromium [r]: A chemical element, having the chemical symbol Cr, and atomic number (the number of protons) 24. [e]
• Cobalt [r]: A hard, lustrous, grey metal, a chemical element with symbol Co and atomic number 27. [e]
• Compressibility factor (gases) [r]: A thermodynamic property for modifying the ideal gas law to account for behavior of real gases. [e]
• Continuous distillation [r]: An ongoing separation process in which a liquid mixture of two or more miscible components is continuously fed into the process and physically separated into two or more products by preferentially boiling the more volatile (i.e., lower boiling point) components out of the mixture. [e]
• Copper [r]: A transition metal chemical element. [e]
• Cryogenics [r]: The study of the production and behaviour of materials at very low temperature (below –150 °C, –238 °F or 123 K). [e]
• Deuterium [r]: An isotope of the chemical element hydrogen containing one proton and one neutron. [e]
• Expansion turbine [r]: A centrifugal or axial flow turbine through which a high pressure gas is isentropically expanded to produce work. [e]
• Fluorine [r]: A chemical element, having the chemical symbol F, and atomic number (the number of protons) 9. [e]
• Fusion device [r]: An explosive device, whether used as a weapon or for other purposes, which depends for most of its explosive power on the release of energy by combining atomic nuclei [e]
• Galileo Probe [r]: An unmanned spacecraft sent by NASA to study the planet Jupiter and its moons. [e]
• Gallium [r]: A chemical element, having the chemical symbol Ga, and atomic number (the number of protons) 31. [e]
• Gas balloon [r]: Any balloon that stays aloft due to being filled with a gas less dense than air or lighter than air (such as helium or hydrogen). [e]
• Gas [r]: One of the major states of matter (i.e., gas, liquid, solid and plasma). [e]
• Germanium [r]: A chemical element, having the chemical symbol Ge, and atomic number (the number of protons) 32. [e]
• Gold [r]: Chemical element 79, a lustrous corrosion-resistant precious metal used for money, electronics and jewelry. [e]
• Graf Zeppelin (LZ-127) [r]: Large German passenger carrying rigid airship which operated commercially from 1928 to 1937, named after the German pioneer of airships, Ferdinand von Zeppelin. [e]
• Graham's law [r]: Law which states that the rate of effusion of a gas is inversely proportional to the square root of the mass of its particles, also known as Graham's law of effusion. [e]
• Henry's law [r]: The relationship between the amount of gas dissolved in a liquid and the partial pressure of that gas above the liquid. [e]
• Hindenburg (LZ-129) [r]: Large German commercial passenger-carrying rigid airship, the lead ship of the Hindenburg class, the largest flying machines of any kind ever built, until destroyed by fire on 6 May 1937. [e]
• Hot air balloon [r]: Bouyant aircraft which uses a nonporous envelope of thin material that is filled with heated air capable of lifting a suspended payload into the atmosphere. [e]
• Hydrogen [r]: The most abundant and lightest chemical element which has atomic number Z = 1 and chemical symbol H. [e]
• Iridium [r]: A very hard, brittle, silvery-white transition metal and chemical element with atomic number 77, and is represented by the symbol Ir. [e]
• Iron [r]: An important transition metal and chemical element with the symbol Fe (Latin: ferrum) and atomic number 26. [e]
• Johannes Diderik van der Waals [r]: (1837 – 1923) Dutch scientist, proposed the van der Waals equation of state for gases. [e]
• Joule-Thomson effect [r]: The increase or decrease in the temperature of a real gas (as differentiated from an ideal gas) when it is allowed to expand freely at constant enthalpy (meaning that no heat is transferred to or from the gas, and no external work is extracted from the gas). [e]
• Jupiter (planet) [r]: The fifth planet from the Sun in our solar system; named after the Roman god of the same name; largest planet in our solar system. [e]
• Krypton [r]: A chemical element, having the chemical symbol Li, and atomic number (the number of protons) 3. [e]
• LZ-129 Hindenburg [r]: One of the largest airships ever built. [e]
• Lead [r]: Chemical element number 82, a corrosion-resistant, dense, ductile heavy metal known to cause neurological problems. [e]
• Lithium [r]: A chemical element, having the chemical symbol Li, and atomic number (the number of protons) 3. [e]
• Magnesium [r]: The metallic element that has atomic number 12 and belongs to alkaline earth metal group. [e]
• Magnetometer [r]: A scientific instrument used to measure the strength and/or direction of the magnetic field in the vicinity of the instrument. [e]
• Manganese [r]: A chemical element, having the chemical symbol Mn, and atomic number (the number of protons) 25. [e]
• Molybdenum [r]: A chemical element, having the chemical symbol Mo, and atomic number (the number of protons) 42. [e]
• Moored balloon [r]: Inflated fabric structure, often shaped like an airship and usually filled with helium, that is restrained by a cable attached to the ground or a vehicle. [e]
• NMR spectroscopy [r]: The use of electromagnetic radiation, in the presence of a magnetic field, to obtain information regarding transitions between different nuclear spin states of the nuclei present in the sample of interest. [e]
• Natural gas processing [r]: Industrial facilities that process raw natural gas to remove contaminants as well as to separate out and recover by product natural gas liquids. [e]
• Neon [r]: A chemical element, having the chemical symbol Ne, and atomic number (the number of protons) 10. [e]
• Neptunium [r]: A chemical element, having the chemical symbol He, and atomic number (the number of protons) 2. [e]
• Nickel [r]: A chemical element, having the chemical symbol Ni, and atomic number (the number of protons) 28. [e]
• Niobium [r]: A chemical element, having the chemical symbol Nb, and atomic number (the number of protons) 41. [e]
• Nitrogen [r]: a chemical element, symbolized by N, whose individual atoms comprise a nucleus of seven protons, i.e,., it has an atomic number, Z = 7. [e]
• Non-rigid airship [r]: Airship without an internal supporting framework or keel. [e]
• Nova (astronomy) [r]: A star that increases rapidly in brightness; there are two main types: ordinary novae, and supernovae, which are much bigger and rarer. [e]
• Nuclear fuel cycle [r]: The progression of nuclear fuel through a series of differing stages, also called the nuclear fuel chain. [e]
• Nuclear fuel [r]: Material that can be consumed to derive nuclear energy, usually heavy fissile elements that can be made to undergo nuclear fission chain reactions in a nuclear fission reactor. [e]
• Oxidation state [r]: A measure of the degree of oxidation of an atom in a substance. [e]
• Oxygen [r]: A chemical element with the symbol O and atomic number 8. [e]
• PIE (nuclear fuel) [r]: The study of used nuclear materials such as nuclear fuel. [e]
• Periodic Table of Elements [r]: A tabular method of displaying the chemical elements. [e]
• Phosphorus [r]: Chemical element (Z=15) vital to life and widely used in fertilizers, detergents and pesticides. [e]
• Polonium [r]: A rare and highly unstable radioactive metalloid with the symbol Po and atomic number 84. [e]
• Potassium [r]: A very reactive, silvery white alkali metal, chemical element 19 with symbol K. [e]
• Quantum mechanics [r]: An important branch of physics dealing with the behavior of matter and energy at very small scales. [e]
• Radiation [r]: Transmission of energy through space. [e]
• Red dwarf (star) [r]: Small and relatively cool star, of low luminosity, being in the main sequence either late K or M spectral type. [e]
• Rubidium [r]: A chemical element, having the chemical symbol Rb, and atomic number (the number of protons) 37. [e]
• Russell-Saunders coupling [r]: A coupling scheme of electronic spin- and orbital-angular momenta in atomic spectroscopy. [e]
• Scandium [r]: A silvery-white metallic transition metal, with symbol Sc and atomic number 21. [e]
• Selenium [r]: A chemical element, having the chemical symbol Se, and atomic number (the number of protons) 34. [e]
• Silicon [r]: A chemical element, having the chemical symbol Si, and atomic number (the number of protons) 14. [e]
• Silver [r]: A metallic element with the periodic symbol Ag; a precious metal. [e]
• Sodium [r]: A soft, silvery white, highly reactive element which has the symbol Na and atomic number 11. [e]
• Solar system [r]: The sun and the planets orbiting it. [e]
• Strontium [r]: A chemical element, having the chemical symbol Sr, and atomic number (the number of protons) 38. [e]
• Sulfur [r]: A yellowish crystalline chemical element with the symbol S and the atomic number of 16. [e]
• Sun [r]: The star that defines our solar system. [e]
• Technetium [r]: A synthetic chemical element, having the chemical symbol Tc, and atomic number (the number of protons) 43. [e]
• Thermal airship [r]: Airship that generates its lift via the difference in density due to a temperature differential between the gas inside its envelope and the ambient air. [e]
• Titanium [r]: A chemical element, having the chemical symbol Ti, and atomic number (the number of protons) 22. [e]
• USS Shenandoah (ZR-1) [r]: The first of four United States Navy rigid airships. [e]
• Unobtanium [r]: A supposed element created by colfrission with phlogiston while suspended in the ether, according to undiscovered alchemical documents supposedly in a cave in France. [e]
• Uranium [r]: A silvery-white metallic chemical element in the actinide series of the periodic table that has the symbol U and atomic number 92. [e]
• Uranus (planet) [r]: The seventh planet from the Sun in our solar system; name after the Greek god of the sky. [e]
• Vandium [r]: A chemical element, having the chemical symbol Li, and atomic number (the number of protons) 3. [e]
• Vapor-compression refrigeration [r]: One of the many available refrigeration systems and very probably the most widely used system. [e]
• Variable star [r]: A star whose apparent brightness exhibits periodic variations [e]
• Welding [r]: Fabrication or sculptural process that joins materials, usually metals or thermoplastics, by causing coalescence at a high melting point. [e]
• Yttrium [r]: A chemical element, having the chemical symbol Y, and atomic number (the number of protons) 39. [e]
• Zeppelin NT [r]: Class of semi-rigid airships being manufactured since the 1990s by the German company Zeppelin Luftschifftechnik GmbH (ZLT) in Friedrichshafen, Germany. [e]
• Zeppelin [r]: A type of rigid airship pioneered by German Count Ferdinand von Zeppelin in the early 20th century. [e]
• Zinc [r]: A chemical element, having the chemical symbol Zn, and atomic number (the number of protons) 30. [e]
• Zirconium [r]: A chemical element, having the chemical symbol Zr, and atomic number (the number of protons) 40. [e]