PPT-Polyatomic Ions

SNC2D Polyatomic Ions Polyatomic ions are groups of atoms that tend to stay together and carry an overall ionic charge The ion is typically held together with covalent bonds The polyatomic ion is capable of bonding with other ions. Ionic Compounds. Ionic Compounds. In this section…. Monatomic and Polyatomic ions. Ionic compound formulas. Naming ionic compounds. Covalent vs. Ionic compounds. Formation of Ions. Cations: Positive ions form by loss of electrons.. Names of Common Polyatomic Ions. . Ion Name Ion Name. . NH. 4. . +. ammonium. . CO. 3 . 2-. carbonate. *NO. 2. . -. *nitrite . HCO. 3. . -. 6 Polyatomic Ions. Polyatomic Ions . Tightly bound groups of atoms that behave as a unit and carry a charge.. Ammonium . NH. 4. +. Cyanide. CN. -. Sulfite . SO. 3. 2-. Examples:. Common Polyatomic Ions. To write the electron configuration of an ion formed by a main group element:. Write the configuration for the atom.. Add or remove the appropriate number of electrons.. Na: 1. s. 2. 2. s. 2. 2. Polyatomic. Ions?. How do they form ionic compounds?. Section 6.3b 6.4b. Objective . 6.3b-4b. . I know the difference of a . polyatomic ion . vs. a . monatomic ion. I can write formulas and names of polyatomic ionic compounds. Many ions are monoatomic BUT. Most ions are polyatomic (>1 atom). 330.07.01b.Names & Formulas - Polyatomic. There are . five common polyatomic. ions:. nitrate NO. 3. –. carbonate CO. 3. 2– . How elements become charged. How elements become charged. ION – A charged atom. All elements on the periodic table are NEUTRAL because they have the same number of . protons (+) and electrons (-). Multivalent & Polyatomic Ions. Multivalent Metals. Multi = multiple. Valent. = charge. Metal = specifically transition metals. . List all of the possible . valencies. for the following metals:. Simple Ionic Compounds. Concept:. Ionic Formulas are formed from positive and negative ions.. Fact 1:. Positive ions are formed by metals that lost electrons.. Examples: Na. 1+. Mg. 2+. A. 3+. MACROSCOPIC SCALE. Elements combine to make compounds.. ATOMIC SCALE. Atoms combine to make molecules, or extended structures.. What we’ll cover…. Compound Formulas. Ions. Monatomic. Polyatomic. Ionic Compounds. Chemistry . I. 2013-2014. Ions & . The Octet Rule. Vocabulary. Ion – an atom or bonded group of atoms with a positive or negative charge . Anion – a negatively charged ion. Cation. – a positively charged ion. Bonding . is the joining of two atoms in a stable. arrangement.. There are two different kinds of bonding:. Elements will . gain. , . lose. , or . share . electrons to reach the electron configuration of the noble gas closest to them in the periodic table.. 2. , is used in the processing and bleaching of pulp from wood fibers and recycled cardboard. .. Learning . Goal . Write the name and formula for an ionic compound containing a polyatomic ion.. Polyatomic Ions. Oxyanions. Oxyanions- negative ions containing oxygen.. These have the suffix “-ate” or “-ite”. “-ate” means it has more oxygen atoms bonded, “-ite” has less. For example. SO. 4. 2-. sulfate.