PPT-Naming Polyatomic Ions and Acids

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. Day 2. Working backwards: name to formula. It’s. . possible. . to. . determine. . a. . formula. . from. . a. . name. E.g. What is the formula of sodium oxide?. To get the answer, first write the valences:. 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.. 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. Nomenclature Warm-up #6. . Identify these compounds as ionic or covalent, then name them. Remember to use Roman numerals when necessary!. ____ (I or C) 1. V. 3. As. 2. ____ (I or C) 2. Hg. 3. P. ____ (I or C) 3. . Multivalent & Polyatomic Ions. Multivalent Metals. Multi = multiple. Valent. = charge. Metal = specifically transition metals. . List all of the possible . valencies. for the following metals:. 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– . . . . . Acids and Bases. Recap. Last class…. Reviewed what a molecular compound is. Learned how to name molecular compounds. Prefixes!. Learned how to derive the formula for molecular compounds when given the name. Ionic Bonding and Writing Formulas. Common Anion Name Changes. Nitr. ogen .  . Phosph. orus .  . Ox. ygen .  . Sulf. ur .  . Selen. ium .  . Fluor. ine .  . Chlor. ine .  . Brom. Multivalent & Polyatomic Ions. Multivalent Metals. Multi = multiple. Valent. = charge. Metal = specifically transition metals. . List all of the possible . valencies. for the following metals:. 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. 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. 3-. 2. Questions for Consideration. How do ionic compounds differ from molecular compounds?. What kinds of ions are in ionic compounds?. What do formulas for ionic compounds represent?. How are ionic compounds named?. HOMEWORK. Do all . odd exercises . in this book on a separate sheet of paper.. DO NOT WRITE IN THE BOOK.. Chapter 1. Symbols and Nomenclature of the elements. There is interesting info where the elements got their name, but nothing we will cover.. 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. with a -1 charge.