Naming Compounds

Naming Compounds More Practice With Naming   Before identification a composite, you switch to figure out what kind of conglomerate it is. We volition consider lead types:   1. ionic Compounds Without a transformation Metal.   Ionic compounds argon formed when a metal gives up its electrons to a non-metal. Basically if the compound contains a metal, it is ionic. But thither argon different sets of rules for transition metals. A  transition metal is an fixings with an atomic number of 21 to 30, 39 to 48 or 57 to 80.   a.         So for a compound with whatever a nonher(prenominal) metal, apply these rules:   * The metal ions name does not depart irrespective of charge * The non-metals name ends in ide.   For example:    AlCl3 = aluminium chloride                         Na2S = sodium sulfide                                 K2O = special K oxide                          MgH2 = magnesium hydride   remark how the little numbers (subscripts) do not affect the substance we name them.   b.         In going rearward (from name to formula), we volition have more fun. In much(prenominal) a case the make sense charge of the (+) and (-) ions in the compound has to be ZERO.   Example: What is the mend formula for calcium phosphide?   Here, we have to consider the common charges for calcium and phosphorus, which are +2 and -3, respectively.

Calcium, if you recall, typically loses 2 electrons to get a noble gas electron arrang ement, and phosphorus needs three more elect! rons.                                     Ca+2 and P-3                                                 One of each would throw a fondness of 2 + (-3) = -1. To get a sum of zero, we need three Ca+2 ions and two P-3 for a total of 3(2)+ 2(-3) = 0.   So the answer is Ca3P2.   Other examples:         potassium oxide :          K+1 and O-2  give K2O                                                 aluminum bromide         Al+3 and Br-1 yield AlBr3.   c.         Polyatomic Ions   When metals are bonded to polyatomic ions, which consist of two or...If you want to get a full essay, order it on our website: OrderCustomPaper.com

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