 Name binary (compound made up of 2 elements) inorganic covalent compounds by using prefixes, roots, and suffixes.  Describe the process of naming an.

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Presentation transcript:

 Name binary (compound made up of 2 elements) inorganic covalent compounds by using prefixes, roots, and suffixes.  Describe the process of naming an ionic bond.  Explain how the properties of ionic compounds depend on the nature of ionic bonds.  Describe the structure of salt crystals.  Name cations, anions, and ionic compounds.  Write chemical formulas for ionic compounds such that an overall neutral charge is maintained.  Explain how polyatomic ions and their salts are named and how their formulas are relate to their names.

Compound example: Formaldehyde  Molecular formula:  Molar mass:  Chemical structure:

 Step 1: Understand a covalent compound. › Covalent compounds: are formed by two or more non-metals. › The name for the compound is based off how many atoms are present (subscript) › The prefix is attached is the Latin term for the number of molecules › The suffix –ide is added to the last element

 Step 2: You attach prefixes to any part of the compound that has multiple atoms  P. 207 and Appendix A; p.832 Mono-

 Name the compounds. › Using the correct prefixes, name the new compound. › You attach prefixes to any part of the compound that has multiple atoms. › Add the suffix –ide at the end of the last element  Some exceptions are:  CH 4 (methane) and NH 4 (ammonia)

 CO is carbon monoxide  CO 2 : carbon dioxide  dinitrogen trisulfide: ?  Lets try this one!  P 4 S 5 : ?

 P. 217; #26 a-g 1. SF 4 2. XeF 4 3. PBr 5 4. N 2 O 5 5. Si 3 N 4 6. PBr 3 7. Np 3 O 8

 1. sulfur tetrafluride  2. xenon tetrafluride  3. phosphorus pentabromide  4. dinitrogen pentoxide  5. trisilicon tetranitride  6. Phosphorus tribromide  7. Trineptunium octoxide

 Step 1: Know what makes a compound ionic.  Ionic compounds: contain a metal and a nonmetal. › Refer to periodic table of elements to see what categories the elements in the compound belong to. (You need your book!!!)

 Step 2: Build the name. For a two element ionic compound, the naming is simple. › The first part of the name is the name of the metal element. › The second part is the name of the nonmetal element, with the suffix “-ide.”  Example: Al 2 O 3 = › Al 2 = Aluminum ; O 3 = Oxide so the name is “ Aluminum oxide”

 Step 3: Recognize transition metals (Groups 3-12).