Chem 133 lesson 5 Quiz (American Millitary University)

Lesson 5 Quiz 4 / 4 points What is the bond order of He2 +? Question options: 0.0 1.5 0.5 1.0 2.0 View Feedback 4 / 4 points Which molecule contains a triple bond? Question options: HCN H2CO O3 F2 View Feedback 4 / 4 points The configuration (σ2s) 2 (σ2s*)2 (π2p) 2 is the molecular orbital electron configuration for the ground state of: Question options: B2 Li2 + C2 B2 2– Be2 View Feedback 4 / 4 points The total number of bonding electrons in a molecule of formaldehyde (H2CO) is Question options: 4 8 18 3 6 View Feedback 4 / 4 points How many lone pairs are on the Br atom in BrF2 -? Question options: 2 3 1 0 View Feedback 4 / 4 points The hybridization of the nitrogen atom in the cation NH2 + is: Question options: sp3 d sp2 sp3 sp View Feedback 4 / 4 points BeF4 2– is called the fluoberyllate ion. The formal charge on the beryllium atom in this ion is Question options: +2 -1 +1 0 -2 View Feedback 4 / 4 points When comparing Be2 and H2: I. Be2 is more stable because it contains both bonding and antibonding valence electrons. II. H2 has a higher bond order than Be2.