Have an account?
Skip to Content
Build your own quiz
10 questions
Show Answers
See Preview
- 1. Multiple ChoiceWhich of the following compounds has only single bonds?
I) N2
II) O2
III) H2
IV) CH4III, IVIII onlyIV onlyI and II - 2. Multiple ChoiceCompounds with which of the following elements are exceptions to the octet rule in drawing Lewis structures?
H, Be, B, C, N, O, FH onlyH, Be, and BH, Be, B, and CC, N, O, and F - 3. Multiple ChoiceThe PF5 molecule exists, whereas NF5 does not. Which one of the following is the BEST explanation for this fact?The first five ionization energies of nitrogen are too high, but those of phosphorus are not.Phosphorus has a lower electronegativity than nitrogen.PF5 is polar, whereas NF5 is not.Phosphorus can use d orbitals in bonding, whereas nitrogen cannot.
- 4. Multiple ChoiceDraw the Lewis structure for the hydroxide ion, OH-1. What is the total number of valence electrons what does the charge imply?8 valence electrons;
an electron has been gained6 valence electrons;
an electron has been lost6 valence electrons;
an electron has been gained8 valence electrons;
an electron has been lost - 5. Multiple Choice
Which is the correct Lewis structure of the chlorine atom and the ion it forms?ABCD - 6. Multiple ChoiceWhich of the following is the correct Lewis structure of magnesium chloride?ABCD
- 7. Multiple ChoiceWhich of the following is the correct Lewis formula for molecular oxygen (O2)?ABCD
- 8. Multiple ChoiceWhich of the following is the correct Lewis formula for molecular fluorine (F2)?ABCD
- 9. Multiple ChoiceDraw the Lewis structure for a molecule of hydrogen cyanide (HCN). How many single bonds, double bonds, triple bonds, and lone pairs of electrons are on the central atom?1, 0, 1, 01, 1, 0, 12, 0, 0, 22, 1, 0, 0
- 10. Multiple ChoiceAmong the following molecules, which has the strongest bonds?N2O2CO2F2
- Answer choicesTagsAnswer choicesTags