Search results

Jump to: navigation, search
  • electrons. However, other atoms can only share 3 total additional electrons with boron for a total of 6 - 2 short of the octet rule. Boron compounds of this kind
    11 KB (1,693 words) - 12:59, 8 December 2015
  • take values |l1 - l2|, |l1 - l2|+1, ..., l1 + l2. Example 1. Consider an atom with one electron in orbital 2p (l1=1) and one electron in orbital 3d (l2=2)
    9 KB (990 words) - 13:22, 29 June 2014
  • introduce the occasional boron atom to a silicon lattice we get a p-doped or p-type semiconductor. It is the fact that boron only has three valence electrons
    4 KB (761 words) - 04:52, 7 May 2013
  • Geochemistry (section Boron)
    a useful indicator of subduction contributions to the magma sources." "Boron contents [have been] measured in representative Quaternary lavas from the
    17 KB (1,734 words) - 02:08, 4 February 2016
  • native aluminum is the Tolbachik volcano, Kamchatka, 5. True or False, Boron is an alkali element. 6. Complete the text: 7. Yes or No, Gallium
    15 KB (1,320 words) - 02:37, 1 February 2016
  • level; systematic errors of 0.1 dex are also possible." Boron (B I) line is at 249.67 nm. Boron is detected in the Population II star HD 140283 by observing
    115 KB (12,660 words) - 03:18, 1 February 2016
  • Antarctica is? 28. An argon-37 atom is converted by a neutrino by the charged current interaction from what atom? 29. A gallium detector design
    17 KB (1,226 words) - 03:12, 1 February 2016
  • 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
  • amount of energy." "The light elements deuterium, lithium, beryllium, and boron pose a special problem for any theory of the origin of the elements which
    38 KB (3,847 words) - 04:15, 3 February 2016
  • native aluminum is the Tolbachik volcano, Kamchatka, 5. True or False, Boron is an alkali element. 6. Complete the text: 7. Yes or No, Gallium
    13 KB (1,191 words) - 02:36, 1 February 2016
  • structure and properties. Chemistry is concerned with atoms and their interactions with other atoms, and particularly with the properties of chemical bonds
    49 KB (5,589 words) - 00:51, 1 February 2016
  • amount of energy." "The light elements deuterium, lithium, beryllium, and boron pose a special problem for any theory of the origin of the elements which
    29 KB (2,840 words) - 00:26, 1 February 2016
  • of a neutrino? 30. An argon-37 atom is converted by a neutrino by the charged current interaction from what atom? 31. True or False, O VI is a
    43 KB (1,914 words) - 03:05, 1 February 2016
  • equal to what? 32. True or False, Airglow is the emission of light by atoms and molecules in the upper atmosphere after they are excited by X-ray radiation
    24 KB (2,179 words) - 03:09, 1 February 2016
  • the following is not characteristic of a neutrino? 7. True or False, Boron has an emission line in the yellow. 8. Complete the text: 9. True
    9 KB (793 words) - 03:42, 30 January 2016
  • 4. Chaoites are another hexagonal form of native 5. True or False, Boron occurs naturally in chaoites. 6. Complete the text: 7. Yes or No
    7 KB (672 words) - 02:33, 1 February 2016
  • Chemicals (section Borons)
    structure and properties. Chemistry is concerned with atoms and their interactions with other atoms, and particularly with the properties of chemical bonds
    146 KB (16,982 words) - 21:23, 30 January 2016
  • in the yellow and orange. Similar to beryllium, the visual spectrum of boron is missing lines in the yellow, but unlike it is also missing lines in the
    114 KB (11,912 words) - 03:19, 1 February 2016
  • cryogenically-cooled 85 cm diameter f/12 lightweight boron 3 - 180 ┬Ám wavelength range the Fraunhofer E line
    14 KB (849 words) - 03:10, 1 February 2016
  • into alkali metals; alkaline, or alkali, earth metals; metalloids such as boron, gallium, and mercury; transition metals like iron, niobium, and tungsten;
    107 KB (9,416 words) - 02:37, 1 February 2016

View (previous 20 | next 20) (20 | 50 | 100 | 250 | 500)