Grad BIOS 135 Week 2 quiz e Details - All Questions
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Course
Grad BIOS 135
Institution
Grad BIOS 135
Grading Summary
Grad BIOS 135 Week 2 quiz
e Details - All Questions
Question 1. Question : (TCO 3) Which of the statements about transition metals is true?
Student Answer: Transition metals can gain or lose electrons to form anions or cations.
Transition metals can gain a variable...
grading summary grad bios 135 week 2 quiz e details all questions question 1 question tco 3 which of the statements about transition metals i
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Grading Summary
Grad BIOS 135 Week 2 quiz
e Details - All Questions
Question 1. Question : (TCO 3) Which of the statements about transition metals is true?
Student Answer:
Transition metals can gain or lose electrons to form anions or
cations.
Transition metals can gain a variable number of electrons to form
two or more different anions.
All transition metals form at least two different ions.
All of the above statements
None of the above
Instructor Chapter 4
Explanation:
Points Received: 2 of 2
Comments:
Question 2. Question : (TCO 3) Hydrogen combines with oxygen to form water. Which of the
statements below best describes the bond that forms between
hydrogen and oxygen?
Student Answer:
It is an ionic bond in which the hydrogen and oxygen atoms are
held together by sharing electrons.
It is an ionic bond in which the hydrogen atom accepts electrons
from the oxygen atom.
It is a covalent bond in which the hydrogen atom donates
electrons to the oxygen atom.
It is a covalent bond in which the hydrogen atom accepts
electrons from the oxygen atom.
It is a covalent bond in which the hydrogen and oxygen atoms are
held together by sharing electrons.
Instructor Chapter 4
Explanation:
Points Received: 2 of 2
Comments:
, Question 3. Question : (TCO 3) Which of the following bonds would you predict to be nonpolar
covalent?
Student
Answer: C-P
Li-F
Br-P
Na-Cl
S-F
Instructor See Chapter 4. Atoms with an electronegativity difference of 0.4 or less will form a
Explanation: nonpolar covalent bond.
Points Received: 2 of 2
Comments:
Question 4. Question : (TCO 3) How many atoms of oxygen are found in a molecule of
Zn3(PO4)2?
Student
Answer: Three
Four
Seven
Eight
10
Instructor See Chapter 4. Each PO43-
Explanation: ion has four O atoms. There are two PO43- ions, so there are eight total O atoms.
Points Received: 2 of 2
Comments:
Question 5. Question : (TCO 3) Rhea has a balloon that contains 0.5 mole of helium. How
many particles of helium are in the balloon?
Student Answer:
3.01
3.01 × 1022
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