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  • of only one type of atom. For example, the air around you is largely nitrogen gas. Nitrogen is an atom, and no two nitrogen atoms are distinguishable
    1 KB (181 words) - 15:28, 7 June 2011
  • containing four carbon atoms, two nitrogen atoms and three double bonds" is called a diazine. The diazines have the two nitrogens at the one and two positions
    22 KB (1,970 words) - 02:13, 1 February 2016
  • can react with ammonia (NH3), where nitrogen has 2 unshared electrons. The boron atom can link up to nitrogen in a dative covalent bond using those
    11 KB (1,693 words) - 12:59, 8 December 2015
  • and a molecule, phosphorus nitride (PN), in which a phosphorus atom and a nitrogen atom are bound together. Phosphorus-bearing molecules are of particular
    133 KB (16,523 words) - 03:12, 1 February 2016
  • atom or molecule: oxygen emissions green or brownish-red, depending on the amount of energy absorbed nitrogen emissions blue or red; blue if the atom
    100 KB (10,943 words) - 03:04, 1 February 2016
  • generates a green or, more rarely, red glow in the night sky, while excited nitrogen atoms yield blue and purple colours." "Auroral displays are not just decorative
    99 KB (11,340 words) - 04:14, 3 February 2016
  • atom or molecule: oxygen emissions green or brownish-red, depending on the amount of energy absorbed nitrogen emissions blue or red; blue if the atom
    114 KB (12,563 words) - 03:09, 1 February 2016
  • in NitrogenIn this discharge tube filled with nitrogen, an electric current excites the nitrogen atoms. Almost instantaneously, these excited atoms shed
    92 KB (15,545 words) - 18:43, 10 August 2014
  • of only one type of atom. For example, the air around you is largely nitrogen gas. Nitrogen is an atom, and no two nitrogen atoms are distinguishable
    908 bytes (147 words) - 09:33, 17 September 2015
  • ii- Amino group (NH2); This is simply a nitrogen atom single bonded to two hydrogen atoms. iii- Hydrogen atom; iv- A distinctive side-chain that is unique
    16 KB (2,583 words) - 01:23, 20 August 2015
  • formula of the nitrogen. . Ionization energy is the amount of energy needed to remove an electron from a gaseous atom or ion. Ionization
    4 KB (577 words) - 08:17, 17 January 2016
  • or aryl groups. Amies are classified as primary, secondary, or tertiary amines depending on the number of alkyl or aryl groups attached to the N atom.
    270 bytes (48 words) - 18:58, 30 June 2012
  • what chemical property? 6. Complete the text: 7. True or False, An atom of hydrogen bearing a negative electrical charge is an ion. 8. When plasma
    14 KB (1,264 words) - 03:04, 1 February 2016
  • to solar prominences. Gold "nuclei (the positively charged part of the atom made of protons and neutrons) [are] sent speeding around [the Relativistic
    38 KB (3,847 words) - 04:15, 3 February 2016
  • [protons] with parallel trajectories is incident on a target atom, scattering off that atom [prevents or blocks] collisions in a cone-shaped region "behind"
    44 KB (4,573 words) - 19:35, 12 February 2016
  • nebula NGC 6543 has large concentrations of hydrogen, oxygen and ionized nitrogen. 17. WNM is an acronym for what? 18. True or False, The Hβ emission
    8 KB (610 words) - 22:57, 30 January 2016
  • is the fourth state of matter, consisting of electrons, ions and neutral atoms, usually at temperatures above 104 degrees Kelvin." Def. a "state of matter
    7 KB (655 words) - 04:13, 3 February 2016
  • charcoal. Carbon can form strongly bonded chains terminated by hydrogen atoms. These are called hydrocarbons, and are extracted naturally as fossil fuels
    6 KB (530 words) - 00:41, 2 February 2016
  • Earth erupted often and they gave out carbon dioxide, water vapour and nitrogen - this made the atmosphere form. Oceans appeared when water vapour condensed
    2 KB (427 words) - 16:58, 27 March 2012
  • one person happens about 50 times per second, changing a carbon atom to one of nitrogen. The global average internal dose from radionuclides other than
    23 KB (2,136 words) - 19:35, 12 February 2016

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