Trigonal planar Study guides, Class notes & Summaries
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ACS Gen Chem 1 Exam 89 Questions with Verified Answers,100% CORRECT
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ACS Gen Chem 1 Exam 89 Questions with Verified Answers 
 
Extensive Property - CORRECT ANSWER Values that depend on how much you have 
 
Intensive property - CORRECT ANSWER Independent of size sample 
 
Density - CORRECT ANSWER Mass/volume 
 
Homogeneous mixture - CORRECT ANSWER Same throughout, indistinguishable parts 
 
Heterogeneous - CORRECT ANSWER Different parts, distinguishable parts 
 
Diatomic elements - CORRECT ANSWER N2, O2, H2, Cl2, Br2, I2 
 
John dalton - CORRECT ANSWER Founded the...
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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 2024 
5/20/22, 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 ex...
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Purdue CHM 115 Exam #3 Latest 2024 Rated A
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Purdue CHM 115 Exam #3 Latest 2024 Rated A Alcohol 
Ketone 
Best Small School Prospects in the 2022 NFL Draft Aldehyde 
Carboxylic Acid 
Ether 
Ester 
Amine 
Amide 
-ane 
1 bond 
-ene 
Double bond 
-yne 
Triple Bond 
109.5 Degrees 
Tetrahedral 
120 Degrees 
Trigonal Planar 
180 Degrees 
Linear 
Heavier atoms 
Lower Vibrational Frequency 
Lighter Atoms 
High Vibrational Frequency 
Isomer 
Compounds with the same formula but different structures. 
Polymer 
A long molecule consisting of many simila...
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Straighterline CHEM101 General Chemistry I Midterm Exam (New Version June 2024)
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Question 1 
Correct 
4.00 points out 
of 4.00 
The SI base unit of mass is 
Select one: 
A. g. 
B. metric ton. 
C. mg. 
D. lb. 
E. kg. 
Question 2 
Correct 
4.00 points out 
of 4.00 
The boiling point for liquid nitrogen is 77 K. What is the temperature in degrees 
Fahrenheit? 
Select one: 
A. –289°F 
B. –321°F 
C. –127°F 
D. 662°F 
E. 177°F 
Straighterline CHEM101 General Chemistry I Midterm Exam (New Version June 2024) 
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CHEM 1311 4a Exam Questions with Correct Answers
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CHEM 1311 4a Exam Questions with Correct Answers 
 
What is the hybridization of the nitrogen atom NH3? 
 
a. sp 
b. sp2 
c. sp3 
d. sp3d 
e. sp3d2 - Answer-c. sp3 
 
The valence shell is 
 
a. the highest energy level occupied by electrons 
b. the set of orbitals used to make triple bonds 
c. the orbitals belonging to the entire molecule 
d. the lowest energy level occupied by electrons 
e. the hard covering on crustaceans - Answer-a. the highest energy level occupied by electrons 
 
What is t...
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ACS Chemistry Final general Chem 1 Review 63 Questions with Verified Answers,100% CORRECT
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ACS Chemistry Final general Chem 1 Review 63 Questions with Verified Answers 
 
Density - CORRECT ANSWER mass / volume 
 
Conversion from celsius to kelvin - CORRECT ANSWER K = DegC + 273.15 
 
Conversion from DegF to DegC - CORRECT ANSWER DegC = (5/9) (DegF - 32) 
 
Conversion from DegC to DegF - CORRECT ANSWER DegF = (9/5)(DegC) + 32 
 
Intensive properties - CORRECT ANSWER Independent of amount of matter examined 
 
Extensive propertires - CORRECT ANSWER Dependent of amount of matter examined...
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Chemistry - VSEPR molecular geometry Questions with well explained answers
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linear - 2 electron domains 
2 bonding domains 
0 lone pairs 
180 degree angles 
trigonal planar - 3 electron domains 
3 bonding domains 
0 lone pairs 
120 degree angle 
trigonal planar: bent - 3 electron domains 
2 bonding domains 
1 lone pair 
less than 120 degree angles 
tetrahedral - 4 electron domains 
4 bonding domains 
0 lone pairs 
109.5 degree angles 
tetrahedral: trigonal pyramidal - 4 electron domains 
3 bonding domans 
1 lone pair 
less than 109.5 degree angles 
tetrahedral: bent - 4...
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Test Bank: Lehninger Principles of Biochemistry, 7th Edition, David L. Nelson (Complete Download) . All Chapters 1-28
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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 enclosed by a double membrane called the: 
A)	cell membrane. 
B)	nuclear envelope. 
C)	nucleolus. 
D)	nucleoplasm. 
E)	nucleosome. 
 
 
4.	T...
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test-bank-for-chemistry-a-molecular-approach-2nd-edition-by-tro-170822163407 |2023 LATEST UPDATE |GUARANTEED SUCCESS
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Chemistry: A Molecular Approach, 2e (Tro) 
 
Chapter 10	Chemical Bonding II: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory 
 
 
Multiple Choice Questions 
 
 
1)	Give the approximate bond angle for a molecule with a trigonal planar shape. 
 
109.		A) 109.5° 
110.		B) 180° 
111.		C) 120° 
112.		D) 105° 
113. 
Answer: Diff: 2	 
C	E) 90° 
 
 
Page Ref: 10.2 
 
2)	Give the approximate bond angle for a molecule with a tetrahedral shape. 109.	A) 109.5° 
110.	B) 180° 
111.	...
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MATSE 201 Exam 1 Theoretical Questions With 100% Correct Answers
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MATSE 201 Exam 1 Theoretical Questions With 100% Correct Answers 
What is true regarding the crystal systems? 
there are 7 shapes that can completely fill 3D space through translational symmetry 
 
 
Which of the following is not one of the crystal systems? 
Face centered cubic 
 
examples of crystal systems: tetragonal, rhombohedral, trigonal 
 
 
Elemental metals do not commonly crystallize in which of the following lattices 
Simple cubic 
 
 
Which direction has the highest linear density in ...
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