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CHEM 120 Quiz 1 (Version 2), CHEM 120: Introduction to General, Organic & Biological Chemistry with Lab, Verified and Correct Answers, Chamberlain College of Nursing.$7.99
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CHEM 120 Quiz 1 (Version 2), CHEM 120: Introduction to General, Organic & Biological Chemistry with Lab, Verified and Correct Answers, Chamberlain College of Nursing.
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Course
CHEM 120, Chamberlain College of Nursing
Institution
CHEM 120, Chamberlain College Of Nursing
CHEM 120 Quiz 1 (Version 2), CHEM 120: Introduction to General, Organic & Biological Chemistry with Lab, Verified and Correct Answers, Chamberlain College of Nursing.
Grading Summary
These are the automatically computed results of your exam. Grades
for essay questions, and comments from your instructor, are in the
"Details" section below.
Date Taken: 7/12/2015
Time Spent: 38 min , 01 secs
Points Received: (90%)
Question Type: # Of Questions: # Correct:
Multiple Choice 7 6
Short 5 N/A
Essay 1 N/A
Grade Details - All Questions
Question 1. Question :
(TCO 2) The atomic number of an atom is equal to the number of
Student Answer:
CORRECT protons.
Instructor Explanation: See Chapter 3; the atomic number =
number of protons.
Points Received: 2 of 2
Comments:
Question 2. Question :
(TCO 2) Consider a neutral atom with 30 protons and 34 neutrons. The
number of electrons in this atom is
Student Answer:
CORRECT 30.
Instructor Explanation: See Chapter 3. In a neutral atom, the
number of protons equals the number of electrons. Therefore, the number of
electrons in this instance is 30.
Points Received: 2 of 2
Comments:
Question 3. Question :
(TCO 2) Heptane is always composed of 84% carbon and 16%
hydrogen. This illustrates the law of
Student Answer:
, CORRECT definite proportions.
Instructor Explanation: See Chapter 2.
Points Received: 2 of 2
Comments:
Question 4. Question :
(TCO 2) Which type of radioactivity has essentially no mass?
Student Answer:
CORRECT Gamma
Instructor Explanation: See Chapter 3.
Points Received: 2 of 2
Comments:
Question 5. Question :
(TCO 2) The mass of the electrons in an atom is generally regarded as
Student Answer:
CORRECT insignificant.
Instructor Explanation: See Chapter 3.
Points Received: 2 of 2
Comments:
Question 6. Question :
(TCO 2) Isotopes are atoms of the same element with
Student Answer:
CORRECT a different number of neutrons.
Instructor Explanation: See Chapter 3.
Points Received: 2 of 2
Comments:
Question 7. Question :
(TCO 2) The number of electrons in a neutral atom is equal to the
Student Answer: INCORRECT atomic mass.
CORRECT atomic number
Instructor Explanation: See Chapter 3.
Points Received: 0 of 2
Comments:
Question 8. Question :
(TCO 1) How many meters are in 7 yards? Show your work.
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