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Week 8 Tuesday- you will need to know these topics for the Midterm tomorrow.
Quiz by Kari Stone
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
There are __________ unpaired electrons in the Lewis symbol for an oxygen atom.Â
The halogens, alkali metals, and alkaline earth metals have __________ valence electrons, respectively.
For a given arrangement of ions, the lattice energy increases as ionic radius __________ and as ionic charge __________.Â
Given the electronegativities below, which covalent single bond is most polar?
Element:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â HÂ Â Â Â Â Â Â Â Â Â Â Â CÂ Â Â Â Â Â Â Â NÂ Â Â Â Â Â OÂ
Electronegativity:Â Â Â Â Â Â Â 2.1 Â Â 2.5 Â Â 3.0Â Â Â Â 3.5Â
The ion has ICl4-__________ valence electrons.Â
The Lewis structure of AsH3 shows __________ nonbonding electron pair(s) on As.Â
The formal charge on nitrogen in this Lewis structure is __________.
            Â
How many equivalent resonance forms can be drawn for CO32- (carbon is the central atom)?Â
Using the table of average bond energies below, the for the reaction is __________ kJ.
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                    Bond:            C≡C          C-C     H-I      C-I       C-H
            D (kJ/mol):             839          348      299      240      413
