ࡱ > 5 7 4 l q` ! bjbjqPqP .V : : v 2Q 2Q 2Q 2Q L ~Q j \ R d rU rU rU W X X X [ [ [ [ [ [ [ $ ] h x_ t [ X X X X X [ rU W [ Z Z Z X rU W [ Z X [ Z Z Z rU H R L 2Q X Z =Z \ [ 0 \ Z _ iY _ Z _ Z $ X X Z X X X X X [ [ Z X X X \ X X X X j j j d" 6 d j j j 6 T r Naming Covalent Compounds Part A What is the name of the covalent compound INCLUDEPICTURE "http://session.masteringchemistry.com/render?tex=%5Crm+CCl_4" \* MERGEFORMATINET ? Enter the name of the compound. Top of Form HTMLCONTROL Forms.HTML:Text.1 Bottom of Form Part B What is the name of the covalent compound INCLUDEPICTURE "http://session.masteringchemistry.com/render?tex=%5Crm+N_2O_5" \* MERGEFORMATINET ? Enter the name of the compound. Top of Form HTMLCONTROL Forms.HTML:Text.1 Octet Rule and Ions Part A Construct an orbital diagram to show the electron configuration for a neutral magnesium atom, INCLUDEPICTURE "http://session.masteringchemistry.com/render?tex=%5Crm+Mg" \* MERGEFORMATINET . Use the buttons at the top of the tool to add sublevels. Click within an orbital to add electrons Part B To form a stable ion, will magnesium gain or lose electrons? How many electrons? Top of Form Magnesium will HTMLCONTROL Forms.HTML:Select.1 .Bottom of Form Part C Match each ion with the noble gas whose electron configuration it shares. Drag each item to the appropriate bin. Writing Ionic Formulas Part A What is the formula for iron(III) oxide? Express your answer as a chemical formula. Part B What is the formula for strontium chloride? Express your answer as a chemical formula. Part C Sort the following chromium compounds by whether the cation is chromium(II) or chromium(III). Drag each item to the appropriate bin. Covalent Molecules and the Octet Rule Part A Below is the structure of acetyl chloride, drawn with bonds and electron dots. Determine how many nonbonding and bonding electrons are shown. INCLUDEPICTURE "http://session.masteringchemistry.com/problemAsset/1032877/38/T_1032877e.jpg" \* MERGEFORMATINET Express your answer as two integers, separated by a comma (e.g., 6,12). Top of Form nonbonding, bonding = HTMLCONTROL Forms.HTML:Text.1 Bottom of Form Part B Which structure below represents a molecule with the correct electron dot formula? Top of Form HTMLCONTROL Forms.HTML:Option.1 INCLUDEPICTURE "http://session.masteringchemistry.com/problemAsset/1032877/38/T_1032877a.jpg" \* MERGEFORMATINET HTMLCONTROL Forms.HTML:Option.1 INCLUDEPICTURE "http://session.masteringchemistry.com/problemAsset/1032877/38/T_1032877b.jpg" \* MERGEFORMATINET HTMLCONTROL Forms.HTML:Option.1 INCLUDEPICTURE "http://session.masteringchemistry.com/problemAsset/1032877/38/T_1032877c.jpg" \* MERGEFORMATINET HTMLCONTROL Forms.HTML:Option.1 INCLUDEPICTURE "http://session.masteringchemistry.com/problemAsset/1032877/38/T_1032877d.jpg" \* MERGEFORMATINET Bottom of Form Bottom of Form Polyatomic Ions Part A What is the name of the ionic compound INCLUDEPICTURE "http://session.masteringchemistry.com/render?tex=%5Crm+BaCO_3" \* MERGEFORMATINET ? Enter the compound name. Top of Form HTMLCONTROL Forms.HTML:Text.1 Bottom of Form Part B What is the molecular formula for ammonium nitrate? Express your answer as a chemical formula. Top of Form HTMLCONTROL Forms.HTML:Text.1 Bottom of Form Ionic Compounds Part A Determine whether the following pairs of elements can form ionic compounds. Part B What is the formula for an ionic compound that contains the elements calcium and fluorine? Top of Form HTMLCONTROL Forms.HTML:Option.1 INCLUDEPICTURE "http://session.masteringchemistry.com/render?tex=%5Crm+CaF" \* MERGEFORMATINET HTMLCONTROL Forms.HTML:Option.1 INCLUDEPICTURE "http://session.masteringchemistry.com/render?tex=%5Crm+Ca_2F" \* MERGEFORMATINET HTMLCONTROL Forms.HTML:Option.1 INCLUDEPICTURE "http://session.masteringchemistry.com/render?tex=%5Crm+CaF_2" \* MERGEFORMATINET HTMLCONTROL Forms.HTML:Option.1 INCLUDEPICTURE "http://session.masteringchemistry.com/render?tex=%5Crm+Ca_2F_2" \* MERGEFORMATINET Bottom of Form Molecular Shapes Part A Match each two-dimensional structure to its correct three-dimensional description. Drag each item to the appropriate bin. Writing Electron-Dot Structures Part A If the boron nitride molecule, INCLUDEPICTURE "http://session.masteringchemistry.com/render?tex=%5Crm+BN" \* MERGEFORMATINET , were to form, what would its structure look like? Draw the molecule by placing atoms on the grid and connecting them with bonds. Show all lone pairs of electrons. To add the element boron double-click on any atom and type B. Problem 4.4 State the number of electrons that must be gained by atoms of each of the following elements to acquire a noble gas electron arrangement. Part A INCLUDEPICTURE "http://session.masteringchemistry.com/render?tex=%7B%5Crm+Cl%7D" \* MERGEFORMATINET Top of Form HTMLCONTROL Forms.HTML:Text.1 Part B INCLUDEPICTURE "http://session.masteringchemistry.com/render?tex=%7B%5Crm+O%7D" \* MERGEFORMATINET Top of Form HTMLCONTROL Forms.HTML:Text.1 Part C INCLUDEPICTURE "http://session.masteringchemistry.com/render?tex=%7B%5Crm+N%7D" \* MERGEFORMATINET Top of Form HTMLCONTROL Forms.HTML:Text.1 Part D INCLUDEPICTURE "http://session.masteringchemistry.com/render?tex=%7B%5Crm+I%7D" \* MERGEFORMATINET Top of Form HTMLCONTROL Forms.HTML:Text.1 Part E INCLUDEPICTURE "http://session.masteringchemistry.com/render?tex=%7B%5Crm+P%7D" \* MERGEFORMATINET Top of Form HTMLCONTROL Forms.HTML:Text.1 Problem 4.6 How many protons and electrons are in the following ions? Part A INCLUDEPICTURE "http://session.masteringchemistry.com/render?tex=%7B%5Crm+O%7D%5E%7B2-%7D" \* MERGEFORMATINET protons, electrons = Top of Form HTMLCONTROL Forms.HTML:Text.1 Part B INCLUDEPICTURE "http://session.masteringchemistry.com/render?tex=%7B%5Crm+K%7D%5E%7B%2B%7D" \* MERGEFORMATINET protons, electrons = Top of Form HTMLCONTROL Forms.HTML:Text.1 Part C INCLUDEPICTURE "http://session.masteringchemistry.com/render?tex=%7B%5Crm+Br%7D%5E%7B-%7D" \* MERGEFORMATINET protons, electrons = Top of Form HTMLCONTROL Forms.HTML:Text.1 Part D INCLUDEPICTURE "http://session.masteringchemistry.com/render?tex=%7B%5Crm+S%7D%5E%7B2-%7D" \* MERGEFORMATINET protons, electrons = Top of Form HTMLCONTROL Forms.HTML:Text.1 Part E INCLUDEPICTURE "http://session.masteringchemistry.com/render?tex=%7B%5Crm+Sr%7D%5E%7B2%2B%7D" \* MERGEFORMATINET protons, electrons = Top of Form HTMLCONTROL Forms.HTML:Text.1 L M F G } ~ E F G J ~ j)/ hNG Uj`{L hNG CJ UVaJ h9$ 0J j h9$ Uj h9$ Uj hNG Ujb{L hNG CJ UVaJ j> h9$ U h9$ y(jy hNG Ujc{L hNG CJ UVaJ j h9$ Uh9$ h9$ 5hoC h9$ 5 1 ! 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