polyatomic ion definition

These ions are covalently bonded together or it can also act as a separate entity in a metal complex. Ions that are negatively charged are called anions pronounced an-ions Common anions are non-metals.

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Ammonium - NH 4.

. Meaning of polyatomic ion. A polyatomic ion is an ion composed of two or more atoms. Information and translations of polyatomic ion in the most comprehensive dictionary definitions resource on the web. Ions which possess more than one atom are called polyatomic ions.

POLYATOMIC IONS CHART NAME. Polyatomic ionCompare with molecule ion and polyatomic moleculeA polyatomic ion is a charged particle that contains more than two covalently bound atoms. Polyatomic ions with a positive 1 charge do occur but the main one youll encounter and need to know is the ammonium ion. The hydroxide cation OH- and the phosphate cation PO43- are both polyatomic ions.

Containing more than one and especially more than two atoms polyatomic molecules. Miller-Keane Encyclopedia and Dictionary of Medicine Nursing and Allied Health Seventh Edition. Published by Houghton Mifflin Harcourt Publishing Company. Made up of several atoms.

Polyatomic ion also known as a molecular ion is a charged species ion composed of two or more atoms covalently bonded or of a metal complex that can be considered as acting as a single unit in the context of acid and base chemistry or in the formation of salts. A good example is the ammonium ion made up of one nitrogen atom and four hydrogen atoms. Copyright 2016 by Houghton Mifflin Harcourt Publishing Company. 1- Charge 2- Charge 3- Charge Aluminate AlO 2 Tetraborate B 4 O 7 2-Arsenite AsO 3 3 Metaborate BO 2 Carbonate CO 3 2-Arsenate AsO 4 3.

Helmenstine Anne Marie PhD. The hydroxide cation OH - and the phosphate cation PO 43- are both polyatomic ions. Joining or breaking of two atoms lead to formation of ions. Except when there is more than one polyatomic ion then its formula is written inside brackets.

Monatomic ions and polyatomic ions are named according to the number of atoms present in those ions. Definition Naming Convention. Polyatomic ions are created when a number of atoms come together to form a group. Compounds formed from such a combination of ions are polyatomic ionic compounds.

Polyatomic refers to more than one atom or ions in form of charged species. Remember because it is a cation when it reacts and forms a compound it is cited first in the chemical formula. Ions with net positive charges are called cations pronounced cat-ions Metals are commonly cations. Of or relating to a molecule or ion that has two or more atoms as constituents.

The main difference between monatomic and polyatomic ions is that monatomic ions are composed of single atoms whereas polyatomic ions are composed of two or more atoms per ion. When an ion is positively charged it is known to as a cation and when an ion is negatively charged it is known as an anion. Of or relating to a molecule or ion that has two or more atoms as constituents. Polyatomic ions are covalently bonded groups of atoms and having a positive or negative charge caused by the formation of an ionic bond with another ion.

A polyatomic ion also known as a molecular ion is a charged chemical species composed of two or more atoms covalently bonded or of a metal complex that can be considered to be acting as a single unit. Polyatomic ions are ions that contain more than one atom. Polyatomic ions are created when a number of atom. It is held together by covalent bonds.

Ions are also formed when an atom loses or gains electrons to get a negative or positive charge. American Heritage Dictionary of the English Language Fifth Edition. Containing polyatomic ions are worked out in a similar way to single atom ions. See Polyatomic Ions for more.

Polyatomic ion - A polyatomic ion is an ion comprised of two or more atoms. 2003 by Saunders an imprint of Elsevier Inc. Polyatomic ion definition. For example the phosphate group shown has one phosphate 4 oxygens and a.

Polyatomic ion synonyms Polyatomic ion pronunciation Polyatomic ion translation English dictionary definition of Polyatomic ion. For example the phosphate group shown has one phosphate 4 oxygens and a -3 charge. A polyatomic ion is a molecule more than one atom that has an electric charge. Polyatomic ions are ions comprised of more than one atom.

A polyatomic ion is a molecule more than one atom that has an electric charge.

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