Search results

From Self-sufficiency
Jump to: navigation, search
  • ...Greece|Greek]] philosopher [[Theophrastus]] described how vinegar acted on metals to produce [[pigment]]s useful in art, including ''white lead'' ([[lead car ...butane oxidation, [[acetaldehyde]] can be oxidized by the [[oxygen]] in [[Earth's atmosphere|air]] to produce acetic acid
    41 KB (5,915 words) - 15:49, 27 September 2010
  • .... Among the ionic solids are compounds formed by alkali and alkaline earth metals in combination with halogens; a classic example is table salt, [[sodium chl ...les are metals such as [[copper]] and [[aluminum]], but some materials are metals in an electronic sense but have negligible metallic bonding in a mechanical
    11 KB (1,614 words) - 09:08, 20 September 2010
  • ...|first=X.|year=2006|title=Synthesis, structures and properties of alkaline earth metal benzene-1,4-dioxylacetates with three-dimensional hybrid networks|jou ...[[water]]) can behave like ligands, and enter into coordination bonds with metals.
    23 KB (3,302 words) - 09:11, 20 September 2010
  • |title = Metals |header4 = [[Alkaline earth metal]]s
    24 KB (3,311 words) - 09:13, 20 September 2010
  • ...discovered the ability of ethylene oxide to react with acids and salts of metals.<ref name="oe1">{{cite book ...b>2''']] mechanism both in acidic (weak nucleophiles: water, alcohols) and alkaline media (strong nucleophiles: OH<sup>–</sup>, RO<sup>–</sup>, NH<sub>3</s
    82 KB (11,709 words) - 20:31, 20 September 2010
  • ...ioxide is used as the cathode (electron acceptor) material in standard and alkaline disposable [[dry cell]]s and batteries. ...trial manganese-53 — A new monitor of Earth surface processes| journal = Earth and Planetary Science Letters|volume = 251|issue = 3-4| pages =334–345|ye
    44 KB (6,128 words) - 20:32, 20 September 2010
  • ...sense. Arsenic occurs in many minerals, mainly associated with sulfur and metals. Arsenic and its compounds are mainly used as an alloying agent for lead b ...desh]]<ref>{{cite book | first = Andrew | last = Meharg | title = Venomous Earth - How Arsenic Caused The World's Worst Mass Poisoning | isbn = 978140394499
    51 KB (7,314 words) - 20:34, 20 September 2010
  • .... The free element is a steel-gray, strong, lightweight brittle [[alkaline earth metal]]. It is primarily used as a hardening agent in [[alloy]]s, notably [ Beryllium is a relatively rare element in both the Earth and the universe. The element is not known to be necessary or useful for ei
    41 KB (5,890 words) - 20:34, 20 September 2010
  • ...this reason, citrates of certain [[alkali metal|alkaline]] and [[alkaline earth metal]]s (e.g. sodium and calcium citrates) are commonly known as ''sour sa
    5 KB (649 words) - 19:14, 21 September 2010
  • ...sub><sup>+</sup>, [[lanthanoids]], [[alkali]] metals, and [[alkaline earth metals]]. In contrast to crown ethers, cryptands bind the guest ions using both [[ ...1, pp 153–211. ISBN 0080406106.</ref> than other complexants for alkali metals, such as [[crown ether]]s. They are able to bind otherwise insoluble salts
    5 KB (728 words) - 19:14, 21 September 2010
  • ...], who stated that acids are oxides of nonmetals while bases are oxides of metals. ...ic, and molten KOH and solutions of sodium amide in liquid ammonia are not alkaline.
    29 KB (4,415 words) - 19:17, 21 September 2010
  • ...d) ligand. Carbon monoxide is the preeminent example a ligand that engages metals via back-donation. Complementarily, ligands with low-energy filled orbitals ...TA]], which is able to bond through six sites, completely surrounding some metals. The number of times a polydentate ligand bind to a metal centre is symboli
    25 KB (3,607 words) - 19:18, 21 September 2010
  • ...to their large size, [[lanthanide]]s, [[actinide]]s, and early transition metals tend to have high coordination numbers. ...described by a relatively ionic model that ascribes formal charges to the metals and ligands. This approach is the essence of [[crystal field theory]] (CFT
    25 KB (3,677 words) - 19:18, 21 September 2010