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CHEM 120 Midterm Exam, CHEM 120: Introduction to General, Organic & Biological Chemistry with Lab, Verified and Correct Answers, Chamberlain College of Nursing.£12.32
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CHEM 120 Midterm Exam, CHEM 120: Introduction to General, Organic & Biological Chemistry with Lab, Verified and Correct Answers, Chamberlain College of Nursing.
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CHEM 120, Chamberlain College of Nursing
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CHEM 120, Chamberlain College Of Nursing
CHEM 120 Midterm Exam, CHEM 120: Introduction to General, Organic & Biological Chemistry with Lab, Verified and Correct Answers, Chamberlain College of Nursing.
CHEM 120 Week 4 Midterm Exam
Course Number:CHEM120
Course Title:Introduction to General,Organic & Biological Chemistry with Lab
Correct Question & Answers
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,Grade Details - All Questions
1. Question :
(TCO 3) The maximum number of electrons that may reside in the n=1
energy level is
Student Answer: 2.
3.
8.
10.
18.
Instructor Explanation: Chapter 3
2. Question :
(TCO 3) How many electrons are in a potassium atom?
Student Answer: 15
19
23
39
84
Instructor Explanation: Chapter 3
3. Question :
(TCO 3) Which is an impossible electron configuration?
, Student Answer: 1s2 2s2
1s2 2s2 2p4
1s3 2s2 2p4
1s2 2s2 2p4 3s1
1s2 2s2 2p4 3s2
Instructor Explanation: Chapter 3
4. Question :
(TCO 3) The ground element with the ground state electron
configuration of 1s2 2s2 2p6 3s2 is
Student Answer: Mg.
Ca.
Mn
Na.
Ne.
Instructor Explanation: Chapter 3
5. Question :
(TCO 3) Which substance has ionic bonds?
Student Answer: K2S
CO3
CCl4
, N2
NH3
Instructor Explanation: Chapter 4
6. Question :
(TCO 3) A nitride ion is _____.
Student Answer: N+
N2-
N
N3+
N3-
Instructor Explanation: Chapter 4
7. Question :
(TCO 3) The correct name for the compound N2O3 is _____.
Student dinitrogen trioxide
Answer:
nitrogen oxide
nitrogen trioxide
dinitride trioxide
dinitrogen oxide
Instructor Chapter 4; According to the rules of naming for covalent compounds, the correct
Explanation: name of N2O3 is dinitrogen trioxide. The first nonmetal is named by its elemental
name. The second nonmetal is named by its elemental name plus -ide. There are 2
nitrogens, so you add the prefix di-. There are 3 oxygens, so you add the prefix tri-.
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