Octahedral Study guides, Class notes & Summaries
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GIA Diamonds and Diamond Grading Final Exam Questions and Correct Answers. Complete Verified Solution 2024.
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GIA Diamonds and Diamond Grading Final Exam Questions and Correct Answers. Complete Verified Solution 2024. 
 
Substantial price discounts are available to retailers and jewelry manufacturers who 
can buy in large quantities. 
The diamond industry has changed dramatically in recent years because 
the world's supply of diamond rough has increased. 
A diamond grading system provides 
a consistent way to communicate diamond quality. 
Diamond's supreme hardness and durability are 
a result of the co...
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CHEM 210 Exam 2 Questions and Correct Answers, Complete Solution.
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CHEM 210 Exam 2 Questions and Correct Answers, Complete Solution. 
 
Linear 
What is the electron-pair geometry of a compound with 2 electron domains? 
Trigonal planar 
What is the electron-pair geometry of a compound with 3 electron domains? 
Brainpower 
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Tetrahedral 
What is the electron-pair geometry of a compound with 4 electron domains? 
Trigonal bipyramidal 
What is the electron-pair geometry of a compound with 5 electron domains? 
Octahedral 
What is the electron-pair geometry o...
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GIA Diamond and Diamond Grading 2024 Exam Questions All Answered
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GIA Diamond and Diamond Grading 2024 Exam Questions All Answered 
 
A consistent way to communicate diamond quality - Answer - A diamond grading system provides... 
 
Sells to retailers - Answer - A wholesaler is someone who... 
 
Depend on the market conditions that exist when the lists are published - Answer - Diamonds prices on wholesale price lists 
 
Graded more thoroughly than small, low quality ones - Answer - Large, high-quality diamonds are... 
 
A result of the conditions under which i...
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Module B Learning Outcomes summary study guide complete and verified 100%
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Module B Learning Outcomes summary study guide complete and verified 100% 
 
 
Summarize the historical sources of diamond prior to 1867 - -Historically, diamonds were extremely rare and sourced from only a few scattered alluvial (i.e., within river gravels) localities. They were *first discovered in the Golconda Region of India* and then *subsequently in Brazil* by the 18th century. It has been supposed that a maximum 50,000 carats could have been produced annually from India before the 18th...
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General Chemistry 112 Exam Final questions with correct answers
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Energy (decreases/increases) with increasing wavelength? CORRECT ANSWER decreases 
 
Energy (decreases/increases) with increasing frequency? CORRECT ANSWER increases 
 
The energy gaps between levels (decrease/increase) as the energy levels increase (n=1 to n=2 to n=3, etc.) CORRECT ANSWER decreases 
 
The O-Si-O bond angles in SiO₂ (quartz) are closest to... CORRECT ANSWER 110° 
 
A molecule with 0 lone pairs and 2 bonding electron pairs would be? CORRECT ANSWER linear 
 
A molecule with 1 l...
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ACS Chemistry 112 exam 2023 with 100% correct answers
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Energy (decreases/increases) with increasing wavelength? - correct answer decreases 
 
Energy (decreases/increases) with increasing frequency? - correct answer increases 
 
The energy gaps between levels (decrease/increase) as the energy levels increase (n=1 to n=2 to n=3, etc.) - correct answer decreases 
 
The O-Si-O bond angles in SiO₂ (quartz) are closest to... - correct answer 110° 
 
A molecule with 0 lone pairs and 2 bonding electron pairs would be? - correct answer linear 
 ...
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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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CHEM 1311 CHAPTER 10: CHEMICAL BONDING II: MOLECULAR GEOMENTRY AND HYBRIDIZATION OF ATOMIC ORBITALS
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Chapter 10: Chemical Bonding II: Molecular Geometry and 
Hybridization of Atomic Orbitals 
1. Give the number of lone pairs around the central atom and the molecular geometry of 
CBr4. 
A) 0 lone pairs, square planar D) 1 lone pair, trigonal bipyramidal 
B) 0 lone pairs, tetahedral E) 2 lone pairs, square planar 
C) 1 lone pair, square pyramidal 
Ans: B Category: Medium Section: 10.1 
2. Give the number of lone pairs around the central atom and the molecular geometry of 
SCl2. 
A) 0 lone pairs, ...
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GIA DIAMOND GRADING QUIZ 1 SPRING 2023 SCORED 98%
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GIA DIAMOND GRADING QUIZ 1 SPRING 2023 SCORED 98% 
 
The more an inclusion differs in color from its host diamond 
the more obvious it is 
A feather that reaches a bezel surface as well as the surface of the pavilion main directly under the bezel 
should be plotted on both the crown and pavilion diagrams 
In a stone with these clarity characteristics, which would probably be the grade-setting characterisitc? 
feather 
Which would disqualify a stone from being IF 
Pinpoint 
Diamonds with minute i...
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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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