what is a good definition for complexation related to chemistry?
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In a covalent bond, both species provide 1 electron to form the 2 electron bond.\n\nIn a complex, both bonding electrons are donated from a single atom. Complexation refers to the formation of complex bonds.
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In chemistry, hydrochlorides are salts resulting, or regarded as resulting, from the reaction of hydrochloric acid with an organic base (mostly amine).
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A molecule is made up of atoms.
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Refer to IUPAC's web site iupac.chemsoc.org or search on Google.
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Inorganic chemistry is the branch of chemistry concerned with the properties and reactions of inorganic compounds. This includes all chemical compounds except the many which are based upon chains or rings of carbon atoms, which are termed organic compounds and are studied under the separate heading of organic chemistry. The distinction between the two disciplines is not absolute and there is much overlap, most importantly in the sub-discipline of organometallic chemistry
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a)mixture..they are together but they are not bonded\nb)mixture\nc)compound\nd) compound...the molecules are chemically bonded
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Its covalent.  When two atoms(or more) share one or more electrons, covalent bonds are formed.
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stoichiometry is \n\nCalculation of the quantities of reactants and products in a chemical reaction. \n\nThe quantitative relationship between reactants and products in a chemical reaction.
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go to\nwww.chemistry.com
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Yes, metals can form complexes.  Like, Pt2(PPh3)6 and things of that nature.  I wasn't exactly wholly attentive in inorganic, but we discussed many complexes of that sort.  I hope this answers your question, I'm not sure what you meant by "sea of electrons".  Usually that term talks about metal in it's elemental state, made into sheets/wires, where the electrons are free to move when voltage is applied.
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Complex: many species interacting.\nSimple: few species interacting.
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Element:\n\nA substance composed of atoms having an identical number of protons in each nucleus. Elements cannot be reduced to simpler substances by normal chemical means.
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by molecular bonds.  covalent and ionic.
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In chemistry, bond dissociation is a process in which a specific bond is cleaved by homolysis. Bond dissociation is an endothermic process, and energy that is necessary to the process is called bond dissociation energy. Note that following dissociation, if new bonds are formed at lower enthalpy, then there is a net loss of energy, and thus an overall exothermic process.
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Chemistry is the science of the composition, structure, properties, and reactions of matter, especially of atomic and molecular systems.\n\nBut Science is the observation, identification, description, experimental investigation, and theoretical explanation of phenomena.\n\nTechnolgy is  the application of science, especially to industrial or commercial objectives.
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So, you want a table of common chemical elements, and with their importance and uses.\n\nBut, how do you define the word common?  Commonly found on earth, in the universe, in the human body, or commonly used in chemical/industrial processes.\n\nYou just cannot outsource everything man to Yahoo Answer Group without specifying requirements; it won't work.  Think over your homework a little, and then ask for details.  That is easier.
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Chemistry is a subject of memory and conception. One requires knowledge of mathematics and physics to tackle physical chemistry.Inorganic Chemistry requires memory, reasoning capabilities and logical skills.Organic Chemistry require good knowledge of almost the whole of Physical and Inorganic if you go to learn mechanisms and far deep.Good Conceptual study can reduce a lot of labour and time wasted in studying like a parrot. Practicals should accompany theory as it helps in good understanding.