For Questions 1-26, answer all the questions by selecting the single correct response. 12 pts each 1. The Lewis dot symbol for the calcium ion is : Ca:2 Ca:2 2+ Ca 2. Which one of the following ionic solids would have the largest lattice energy? (1)NaF (2) Mgo (3) MgCk (4) KF 3. Which of the following solids would have the highest melting point? (1) LiF (2) NaCI (3) Al2O (4) CaBr2 4. Which of the elements listed below would most likely form a nonpolar covalent bond when bonded to ntrogen?(1)K (2) CI (3)C (4) O 5. Which of the elements listed below would most likely form an ionic bond when bonded to oxygen? (1)H (2) Br (3) Se (4) Sr 6. What type of chemical bond holds the atoms together within a CS2 molecule? (1) non polar covalent bond (2) ionic bond (3) polar covalent bond (4) none of the above 7. Which of the following covalent bonds is the most polar (i.e., highest percent ionic character)? (1)H-F (2) Si-o (3) P-Br (4) Si-C . The total number of valence electrons in the ion SiOs2 is (1)24 (2)28 (3) 30 (4) 32 The Lewis structure reveals a triple bond in which of the following molecules? (1) HCN (2) Br2 (3) (4) C2H4 . The Lewis structure reveals an unpaired electron (free radical) in which of the following species? (1)N (2) N2O (3) NO2 (4) NO2 The number of lone electron pairs in the CIOs ion is (1) 10 (2)6 (3) 12 (4) 24 The formal charge on the nitrogen atom in NHs is (1)0 Which of the following substances will display an incomplete octet in its Lewis structure? (1) CO (2)+1 (3)+4 (2) Cl2 (3) BrCI (4) BF
Show transcribed image text For Questions 1-26, answer all the questions by selecting the single correct response. 12 pts each 1. The Lewis dot symbol for the calcium ion is : Ca:2 Ca:2 2+ Ca 2. Which one of the following ionic solids would have the largest lattice energy? (1)NaF (2) Mgo (3) MgCk (4) KF 3. Which of the following solids would have the highest melting point? (1) LiF (2) NaCI (3) Al2O (4) CaBr2 4. Which of the elements listed below would most likely form a nonpolar covalent bond when bonded to ntrogen?(1)K (2) CI (3)C (4) O 5. Which of the elements listed below would most likely form an ionic bond when bonded to oxygen? (1)H (2) Br (3) Se (4) Sr 6. What type of chemical bond holds the atoms together within a CS2 molecule? (1) non polar covalent bond (2) ionic bond (3) polar covalent bond (4) none of the above 7. Which of the following covalent bonds is the most polar (i.e., highest percent ionic character)? (1)H-F (2) Si-o (3) P-Br (4) Si-C . The total number of valence electrons in the ion SiOs2 is (1)24 (2)28 (3) 30 (4) 32 The Lewis structure reveals a triple bond in which of the following molecules? (1) HCN (2) Br2 (3) (4) C2H4 . The Lewis structure reveals an unpaired electron (free radical) in which of the following species? (1)N (2) N2O (3) NO2 (4) NO2 The number of lone electron pairs in the CIOs ion is (1) 10 (2)6 (3) 12 (4) 24 The formal charge on the nitrogen atom in NHs is (1)0 Which of the following substances will display an incomplete octet in its Lewis structure? (1) CO (2)+1 (3)+4 (2) Cl2 (3) BrCI (4) BF