Exam (elaborations)
PORTAGE LEARNING CHEM 103 MODULE 5 EXAM 2022
- Course
- CHEM 103
- Institution
- Portage Learning
PORTAGE LEARNING CHEM 103 MODULE 5 EXAM 2022
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CHEM z103MODULE z5 zEXAM z2022
Question z1
Click zthis zlink zto z access z the z Periodic z Table. z This zmay zbe z helpful zthroughout z the
z exam.
Show zthe z determination zof zthe zcharge z on zthe zion z formed zby zthe zSe34 z z
zatom. zSe34 z(nonmetal z = zgain z electrons) z1s 2 z z z2s2 z z 2p6 z z 3s2 z z 3p6 z z z4s2 z z 3d10 z
z 4p4 gain
z 2e
→ z Se-2
Question z2
Click zthis zlink zto z access z the z Periodic z Table. z This zmay zbe z helpful zthroughout z the
z exam.
H z= z2.1
Li z= z1.0 Be z= z1.5 B z= z2.0 C z= z2.5 N
z=z3.0 O= z3.5 F z= z4.0
, Na z= Mg z= Al z= z1.5 Si z= z1.8 P z=
z1.0 z1.2 Cl z= z3.0
2.1 S z= z2.5
K z= z0.8 Ca z= Ga z= z1.6 Ge z= z1.8 As z=
2.0 z1.0 Br z= z2.8
Se z= z2.4
Using zthe zelectronegativities zfrom zthe ztable zabove, zshow zthe
zdeterminationzof zthe zpolarity zof zeach zdifferent ztype zof zbond zin zthe
zfollowing zmolecule
H-C zbond electronegativity z difference z= z2.5 z- z 2.1 z = z0.4 <0.5
zbond zis zNonpolar
C-O zbond electronegativity z difference z = z3.5 z- z2.5 z= z1.0 1.6 z- z0.5
bond zis zPolar
Question z3
Click zthis zlink zto z access z the z Periodic z Table. z This zmay zbe z helpful zthroughout z the
z exam.
On za zpiece zof zscratch zpaper, zdraw zthe zLewis zstructure zfor zthe3zClO z -1 zion.
zThenzchoose zthe zcorrect zLewis zstructure z3for zClO z-1 z from zthe zoptions zlisted
zbelow.
(B)
Question z4
Click zthis zlink zto z access z the z Periodic z Table. z This zmay zbe z helpful zthroughout z the
z exam.
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