CHEM LESSON 5 QUIZ.docx - LESSON5QUIZ Question 1 of 25 4.0...

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LESSON 5 QUIZQuestion 1 of 254.0/ 4.0 PointsEach of the three resonance structures of NO3has how many lone pairs of electrons?A.8B. 10C. 13D. 7E. 9
Feedback: See Chapter 8Question 2 of 254.0/ 4.0 PointsWhen comparing Be2and H2:I.Be2is more stable because it contains both bonding and antibonding valence electrons.II.H2has a higher bond order than Be2.III.H2is more stable because it only contains 1s electrons.IV.H2is more stable because it is diamagnetic, whereas Be2is paramagnetic.
Feedback: See Chapter 8Question 3 of 254.0/ 4.0 PointsNitrous oxide (N2O) is sometimes called “laughing gas”. What is the formal charge on the centralnitrogen atom in the most favorable Lewis structure for nitrous oxide based on minimizing formal charge overall?
Feedback: See Chapter 8Question 4 of 250.0/ 4.0 PointsWhat is the bond order of He2+?
Feedback: See Chapter 8Question 5 of 254.0/ 4.0 PointsBeF42–is called the fluoberyllate ion. The formal charge on the beryllium atom in this ion isA.-2B. -1C. +2D. +1E. 0
Feedback: See Chapter 8Question 6 of 250.0/ 4.0 PointsThe configuration (σ2s)22s*)22p)2is the molecular orbital electron configuration for the ground state of:
Feedback: See Chapter 8Question 7 of 254.0/ 4.0 PointsHow many double and single bonds are in the resonance form for SO2in which the formal charges on each atom are zero?
Feedback: See Chapter 8

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