Trigonal planar Guides d'étude, Notes de cours & Résumés
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TEST BANK LEHNINGER PRINCIPLES OF BIOCHEMISTRY 7 th EDITION BY NELSON ALL CHAPTERS INCLUDED LATEST UPDATE 2024.
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TEST BANK LEHNINGER 
PRINCIPLES OF BIOCHEMISTRY 
7 
th EDITION BY NELSON ALL 
CHAPTERS INCLUDED LATEST 
UPDATE 2024. 
Page 1 of 648 
Page 1 
1.1 
1. In a bacterial cell, the DNA is in the: 
A) cell envelope. 
B) cell membrane. 
C) nucleoid. 
D) nucleus. 
E) ribosomes. 
2. A major change occurring in the evolution of eukaryotes from prokaryotes was the 
development of: 
A) DNA. 
B) photosynthetic capability. 
C) plasma membranes. 
D) ribosomes. 
E) the nucleus. 
3. In eukaryotes, the nucleus is e...
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MLS 121 Laboratory Prelim Exam questions with correct answers | updated 2024
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MLS 121 Laboratory Prelim Exam questions with correct answers | updated 20245/20/22, 11:48 AM MLS 121 Laboratory Prelim Exam 

Student Identification 0 of 0 points 
Kindly complete the data below. 
MLS 121 Laboratory Prelim Exam Total points 69/100 
Good Day! 
The PRELIM examination is a 100-POINT (95 ITEMS) ONLINE EXAM that will utilize a 
Google Form. It is composed of Multiple Choice questions that is answerable within TWO 
HOURS ONLY. The examination shall cover Activities 1 and 2. The exam...
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Chem 104 Final Exam | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+
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what is the hybridization of 
2 things, 3 things, 4things, 5 things, 
: sp, sp2, sp3, dsp3, d2sp3 
double bond counts as one thing around the atom 
sp geometry is 
sp2 geo is 
sp3 geo 
: trigonal planar 120 
tetrahederal 109.4 
what do you always have to remember to do with hydrogens 
: you have to draw in the hydrogens because they are implict hydrogens 
how many bonds does carbon have 
: it has 4 bonds 
2 | P a g e 
convert from regular hybrid to hybridization graph 
: 
go through the fun...
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CHEM 210 lab exam 1 Correct 100%
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Linear - ANSWER2 bonds, 180° 
 
Trigonal planar - ANSWER3 bonds, 120° 
 
Tri-plan; bent - ANSWER2 bonds, 1 lone pair, 120° 
 
Tetrahedral - ANSWER4 bonds; 109.5° 
 
Tetra; trigonal pyramidal - ANSWER3 bonds, 1 lone pair; 109.5° 
 
Tetra; bent - ANSWER2 bonds, 2 lone pairs; 109.5° 
 
Trigonal bipyramidal - ANSWER5 bonds; 120° or 90° 
 
Tri bi; seesaw - ANSWER4 bonds, 1 lone pair; 120
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Part 1 of 4 - 28.0/ 40.0 Points Question 1 of 25 0.0/ 4.0 Points `Use Lewis theory to draw the structure of the sulfate polyatomic ion. What would you find surrounding the central atom of this ion? • A. two bonding and two unshared pairs of electrons. • B
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Part 1 of 4 - 28.0/ 40.0 Points 
Question 1 of 25 
0.0/ 4.0 Points 
`Use Lewis theory to draw the structure of the sulfate polyatomic ion. What would you find 
surrounding the central atom of this ion? 
• 
A. two bonding and two unshared pairs of electrons. 
• 
B. three bonding and one unshared pair of electrons. 
• 
C. two double bonds and no unshared pairs of electrons. 
• 
D. one bonding and three unshared pairs of electrons. 
• 
E. none of the above. 
Feedback: Lewis structures are...
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Test Bank For Lehninger Principles of Biochemistry 7th Edition By Favid L. Nelson, Micheal M. Cox| All Chapters| Complete Questions and Answers (LATEST VERSION).
- Examen • 478 pages • 2023
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Test Bank For Lehninger Principles of Biochemistry 7th Edition By Favid L. Nelson, Micheal M. Cox| All Chapters| Complete Questions and Answers (LATEST VERSION). 
1. In a bacterial cell, the DNA is in the: 
A) cell envelope. 
B) cell membrane. 
C) nucleoid. 
D) nucleus. 
E) ribosomes. 
2. A major change occurring in the evolution of eukaryotes from prokaryotes was the 
development of: 
A) DNA. 
B) photosynthetic capability. 
C) plasma membranes. 
D) ribosomes. 
E) the nucleus. 
3. In eukaryotes,...
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OCR Chemistry Paper 2 exam questions with complete solutions
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describe the structure of Benzene - correct answers: • a cyclic hydrocarbon with 6 carbon, and 6 hydrogen atoms. 
• the bond angle and shape around each carbon is 120' trigonal planar. 
• each C has 4 outer shell electrons; 
 
- 3 of these bond to 2 other carbon atoms, and 1 to a hydrogen atom. - these form a Sigma bond. - a fourth outer shell electron in the 2p orbital is left behind above and below the planes of the carbon atoms. 
 
• the electron in the p-orbital of a carbon atom ov...
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ACS Chemistry Final Exam 182 Questions with Verified Answers,100% CORRECT
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ACS Chemistry Final Exam 182 Questions with Verified Answers 
 
Layout of an element (mass # & atomic #) - CORRECT ANSWER 
 
atomic number = - CORRECT ANSWER # of protons 
 
mass number = - CORRECT ANSWER # of protons + neutrons 
 
the number of protons in a neutral atom will equal the - CORRECT ANSWER # of electrons 
 
how to find the correct number of neutrons - CORRECT ANSWER mass number - atomic number 
 
Forms of the same elements that differ in amount of neutrons - CORRECT ANSWER isotopes...
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Revised Organic Chemistry 1# ACS Questions Final Exam 100% Correct
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Revised Organic Chemistry 1# ACS 
Questions Final Exam 100% Correct 
sp, linear *Ans* Which is the correct hybridization state and geometry for the carbon 
atom in HCN? 
sp, linear 
sp2, trigonal planar 
sp3, tetrahedral 
None of the above 
This structure has one positive charge and one negative charge. *Ans* The following 
structure has been drawn without formal charges. Which statement describes the missing 
formal charge(s)? 
This structure has one positive charge and one negative charge....
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VSEPR Memorization Practice (HONORS) Questions with well explained answers
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2 electron groups, 0 lone pairs...what is the electron pair arrangement? And what is the molecular 
geometry? - EPA = linear, MG = linear 
3 electron groups, 0 lone pairs...what is the electron pair arrangement? And what is the molecular 
geometry? - EPA = trigonal planar, MG = trigonal planar 
4 electron groups, 0 lone pairs...what is the electron pair arrangement? And what is the molecular 
geometry? - EPA = tetrahedral, MG = tetrahedral 
5 electron groups, 0 lone pairs...what is the electron ...
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