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Topic: List of Polyatomic Ions

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  unit03-sect02-les05-lessona   (Site not responding. Last check: 2007-10-12)
polyatomic ion (complex ion) -- is a group of atoms that are covalently bonded which then gain or lose electrons to become stable.
The main difference in writing formulas for compounds that contain polyatomic ions is that occasionally, you need to place brackets around a polyatomic ion symbol if its numerical subscript is greater than one.
Since the 1+ charge on the sodium ion is balanced by the 1- charge on chlorite, one of each ion is needed in the formula.
www.cdli.ca /courses/sci1206/unit03/section02/lesson05/3-lesson-a.htm   (656 words)

 Polyatomic ion - Wikipedia, the free encyclopedia
A hydroxide ion is made of one oxygen atom and one hydrogen atom: its chemical formula is (OH)
Note that many of the common polyatomic anions are conjugate bases of acids derived from the oxides of non-metallic elements.
This reduction is a consequence of the hydrogen ion carrying a +1 charge.
en.wikipedia.org /wiki/Polyatomic_ion   (398 words)

 [No title]
Ions are substances that have gained or lost one or more valence electrons.
The polyatomic cations are the mercury (I) cation (Hg and the ammonium (NH) cations.
The anion is sulfate ion, SO We know this because it is found on the list of polyatomic ions in the Chapter 4 notes that I have told you you are required to memorize.
www.xmission.com /~seldom74/chem1110int/ch04/04i.htm   (4313 words)

 Variables and Expressions
The names of the ions of metal elements with only one valence, such as the Group 1 or Group 2 elements, is the same as the name of the element.
For instance, fluorine ion is fluoride, oxygen ion is oxide, and iodine ion is iodide.
The ions by the Stock system are pronounced, “copper one”, “copper two”, etc. Notice that the two most likely ions of an atom that has multiple valences have suffixes in the old system to identify them.
www.compuhigh.com /demo/chem/les8.htm   (4905 words)

 Polyatomic Ions
Most chemistry teachers require you to know some of the common polyatomic ions by the end of the course whether its be from repetition of use with a help table or from memory from the day of introduction.
Take the polyatomic ion section of the periodic chart, copy the formula and the charge in each square from a polyatom ion table from the chemistry textbooks or from the Internet.
The charge on the -ate polyatomic ion is exactly the same as the nonoxygen central nonmetal's -ide monoatomic ion if all the oxygens are attached by single covalent bonds (simple covalent or coordinate covalent).
www.hccfl.edu /faculty/john_taylor/chm1025/polyions/polyionstudyguide.html   (988 words)

 Table of Common Ions
A polyatomic ion is a molecule composed of multiple atoms that has a net charge and has internal chemical bonds so strong that it rarely breaks up during reactions, allowing it to be treated as a single discrete unit during equation balancing and related operations.
If the ion in question begins with "per-" then there is one more oxygen present in the ion than there is in the "-ate" form.
If the ion in question ends in "-ite" without "hypo-" at the beginning, then there are one fewer oxygens than in the "-ate" form.
www.nitrogenorder.org /lessons/iontable.shtml   (360 words)

 Chapter 2-b sci 210 by J Gniadek Unit 1: Section 2
Binary ionic compounds means two ions, one that is positive in charge (cation) and one that is negative in charge (anion) that react to form a compound.
-ic was used for the ion with the higher charge and -ous was used for the ion with the lower charge.
Polyatomic Ions are ions that contain a number of ions.
www.chemistry210.com /notes/u01s02d.htm   (1315 words)

 Lecture Notes: Naming Ionic Compounds
Polyatomic ions are groups of atoms that carry a positive or negative charge; like monatomic ions positive polyatomic ions are called cations and negative ions are called anions
In compounds of polyatomic ions the ions are treated as you would treat an element and the subscript after the parentheses tells you how many units of that ion you have
Polyatomic ions have their own individual names which (unfortunately) are not so easy to describe as a group; you really just have to do your best to memorize them; a number of common ions are listed in the chart below
home.gwi.net /~dakeller/Chem/Naming_Ionic_Compounds.html   (775 words)

 Polyatomic Ion at Polo Outlet Store   (Site not responding. Last check: 2007-10-12)
Polyatomic Ion Calculator Introduction : the purpose of this calculator is to determine the scientific name of the ionic molecule entered.
Consequently, a warning: it is important that you learn to recognize the presence of a polyatomic ion in a formula.
Polyatomic ions usually have a charge because the collection of atoms has...
rankboard.info /Polo-Outlet-Store/polyatomic-ion.php   (228 words)

 [No title]   (Site not responding. Last check: 2007-10-12)
Ions which are composed of groups of atoms are called polyatomic ions.
(See the next page for the list of polyatomic ions to be memorized.) When memorizing the polyatomic ions, the composition and the charge of the ion must be memorized.
Not memorizing these polyatomic ions will not only your understanding and performance in many sections of this course but in other health and science related courses.
www.sctechsystem.com /TCTC/science/CHM/CHM/chemistry100_content/updated/chapter_4/polyatomic_ions/pi_1.htm   (185 words)

 Sep 21 Lecture
In the solid phase, ionic compounds exist as an extended crystal lattice with ions distributed such that positive ions are adjacent to negative ions and vice versa.
The objective for both representative metals and nonmetals is to form an ion that has the same electron configuration as a noble gas (often referred to as a stable octet corresponding to eight valence electrons).
However, most transition metal form at least one ion of +2 charge, a notable exception being silver which only forms an ion of +1 charge, Ag A number of ions are found in nature that are polyatomic.
cas.bellarmine.edu /chem116a/lectures/sept21.htm   (517 words)

 Polyatomic Ions
The formulas and charges of these polyatomic ions are not nearly so predictable as the simple anions you just studied.
The eight that you will need to memorize are listed here (and in example 8 in your workbook).
Soon (by the end of this lesson) you should memorize these, but in the meantime use this list when you need to work with the names and formulas of these polyatomic ions.
dl.clackamas.cc.or.us /ch104-08/polyatom.htm   (115 words)

 Alibris: Ions
There have been many demonstrations, particularly for magnetic impurity ions in crystals, that spin-Hamiltonians are able to account for a wide range of experimental results in terms of much smaller numbers of parameters.
Ions, their transport across membranes, and their flow through specialized ion channels are central to the understanding of brain function, normal and pathological.
Considering the properties of inorganic and organic ions pertaining directly, as well as indirectly, to their behaviour in solutions, this work aims to enable the specialist and non-specialist alike to comprehend ion behaviour in ongoing and developing studies and applications.
www.alibris.com /search/books/subject/Ions   (968 words)

 General Chemistry Online: Companion Notes: Compounds: Polyatomic ions
The atoms within a polyatomic ion are usually very tightly bound together, so the ion retains its identity within ionic compounds and over the course of many chemical reactions.
First year students are often asked to memorize lists of polyatomic ions without any context.
Blank entries are uncommon or unstable; for a complete table see the Field Guide to Polyatomic Ions.
antoine.frostburg.edu /chem/senese/101/compounds/polyatomic.shtml   (449 words)

 More about ions by gluedice...   (Site not responding. Last check: 2007-10-12)
An ion is an atom or group of atoms that normally are electrically neutral and achieve their status as an ion by loss (or addition) of an electron.
The simplest ions are the proton (a hydrogen ion, H...
Ions are electrically charged natural particles in the air, formed by the gain or loss of...
www.gluedice.com /search/ions.html   (658 words)

 [No title]
The ions are found in solutions or solids where the overall charge of the solid is zero or the solution is zero.
Name the cation first (same as above) and then name the polyatomic atom (from the list given to you!) Again you MUST make sure that the overall charge on the compound is neutral once you combine the cation (anion in the case of NH4+1) with the polyatomic ion.
On the polyatomic ion list there are several ions that have the same root name and only differed in the number of oxygens present (e.g.
spot.pcc.edu /~amixon/223/naming_and_polyatomic_ions_review.doc   (1522 words)

A positive ion, whether it is a single atom or a group of atoms all with the same charge, is called a cation, pronounced as if a cat were an ion.
The following radicals or polyatomic ions are groups of atoms of more than one kind of element attached by covalent bonds.
In the lists above, the radicals and compounds have a small number after and below an element if there is more than one of that type of that atom.
www.durham.edu.on.ca /grassroots/oxfordtutor/SSchool/Chemistry/compoun.htm   (4770 words)

 Lecture Notes: Chemical Equations
Balance the atom or polyatomic ion that appears only once on each side by inserting a coefficient in front of the whole formula.
When you are done, each element or polyatomic ion will have the same number next to it in both the reactant table and the product table.
Do not count the atoms inside the polyatomic ion since you might get them confused with the same atoms that are not part of the ion.
home.gwi.net /~dakeller/Chem/Lecture.Chemical_Equations.html   (940 words)

 No Title
Here is a list of information that will be given to you:
(2 pts) True or False: water is made hard by the presence of sodium ions.
False: Water is made "hard" by the presence of calcium, magnesium or iron ions.
www.elmhurst.edu /~ksagarin/honors/exam3samplequestions.html   (1154 words)

 List_of_inorganic_compounds - The real meaning from Timesharetalk wikipedia   (Site not responding. Last check: 2007-10-12)
There is also an alternative listing related to this page, inorganic compounds by element (presently under construction), as well as Category:Chemical compounds by element.
This list is not necessarily complete or up to date – if you see an article that should be here but isn't (or one that shouldn't be here but is), please update the page accordingly.
See also: inorganic compounds by element, list of compounds, list of organic compounds, organic compound, list of biomolecules, list of minerals, polyatomic ions, list of elements by name, List of alchemical substances.
www.timesharetalk.co.uk /wiki.asp?k=List_of_inorganic_compounds   (853 words)

 [No title]   (Site not responding. Last check: 2007-10-12)
When studying these ions, remember that you will need to recognize them in molecular formulas and remember both their names and their charges.
Therefore, you need to be able to write the formula of these ions including the charge if given the name AND you need to be able to write the name (and remember its charge) if you see the formula in a molecular formula.
Again, the electronic homework authors don't restrict themselves to this briefer list of polyatomic ions, so you may need to look at the more complete list of polyatomic ions in your book (p.
www.gpc.edu /~mvenable/chem121/ans4e.htm   (129 words)

 Questions on Notes Chapter 6
List the steps used to name binary compounds.
List steps to write formulas for compounds with polyatomic ions
List eight common polyatomic ions, their formulas and charges.
www.oneontacsd.org /ms/Science/QuestionsChapter6.html   (126 words)

 Chapter Three   (Site not responding. Last check: 2007-10-12)
This is done by writing the charge of the ions on top, cross them, and rewriting them back as subscripts.
Note how this works and the methods to undo the thing, ie if you were just given a polyatomic ion or compounds and asked to determine a charge of an ion.
Polyatomic ions are the tricky ones, usually you have to memorize these, but they get easier after years of practice.
sweb.uky.edu /~achan2/chem/c3.htm   (997 words)

The key to being able to write net ionic equations is the ability to recognize monoatomic and polyatomic ions, and the solubility rules.
A summary of polyatomic ions and the solubility rules are given at the end of this tutorial.
Barium ions and sodium ions, both being positive in charge will repel each other, so no compound is expected to form between them.
dwb.unl.edu /Teacher/NSF/C01/C01Links/www.towson.edu/~ladon/netionic.html   (658 words)

 NETIONIC.HTM   (Site not responding. Last check: 2007-10-12)
The key to being able to write net ionic equations is the ability to recognize monoatomic and polyatomic ions, and the solubility rules.
A summary of polyatomic ions and the solubility rules are given at the end of this tutorial.
Barium ions and sodium ions, both being positive in charge will repel each other, so no compound is expected to form between them.
www.towson.edu /~ladon/netionic.html   (698 words)

 [No title]
Because polyatomic ions are basic building blocks of so many  HYPERLINK "javascript:definition('ionic+compound');" ionic compounds INCLUDEPICTURE "http://antoine.frostburg.edu/chem/senese/images/asterisk.gif" \* MERGEFORMATINET , learning the names, charges, and formulas of the most common polyatomic ions is absolutely essential before many other skills can be mastered.
Beginner's guide to polyatomic ions The following tables list polyatomic ions that any first year student should know.
Ions arranged by family Polyatomic cations other than ammonium, hydronium, and mercury(I) aren't usually encountered in general chemistry.
www.csulb.edu /~dbosonet/Wilson_Chemistry_2006-07/polyatomic_help_2006.doc   (664 words)

 Table of Common Polyatomic Ions
These ions are separated by charge on the ion into four (4) different tables and listed alphabetically within each table.
For each polyatomic ion, the name, chemical formula, two-dimensional drawing, and three-dimensional representation are given.
CPK structures represent the atoms as spheres, where the radius of the sphere is equal to the van der Waals radius of the atom; these structures give an approximate volume of the polyatomic ion.
www.chemistry.wustl.edu /~edudev/LabTutorials/PeriodicProperties/Ions/ions.html   (261 words)

 Ions and Ionic Compounds
A monatomic ion would be one that is composed of (1 point)
Remember, you need not memorize the list of polyatomic ions, it will always be available to refer to.
Remember, the oxidation state for the monatomic anions are determined by finding the group they are in and referring to your everyday table, where we listed the group values.
homepage.mac.com /ttorretti/Science/name.html   (268 words)

 CHEM 0010 Unit
Follow these simple steps to write chemical formulas for ionic compounds containing polyatomic ions.
icon to learn the names, formulas and charges from the list of polyatomic ions for this course.
Write the symbols (including charge) of the cation and anion, with the cation listed first.
nobel.scas.bcit.ca /chem0010/unit5/5.8.2_formula_polyatomicions.htm   (87 words)

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