1. A. Moving down a column, H-X bond strength increases; moving left-to-right across a period, electronegativity increases.
B. Moving down a column, H-X bond strength increases; moving left-to-right across a period, electronegativity decreases.
Moving down a column, H-X bond strength decreases; moving left-to-right across a period, electronegativity increases.
Moving down a column, H-X bond strength decreases; moving left-to-right across a period, electronegativity decreases.
Answer: C

2. A. Moving down a column, H-X bond strength increases; moving left-to-right across a period, electronegativity increases.
B. Moving down a column, H-X bond strength increases; moving left-to-right across a period, electronegativity decreases.
C. Moving down a column, H-X bond strength decreases; moving left-to-right across a period, electronegativity increases.
D. Moving down a column, H-X bond strength decreases; moving left-to-right across a period, electronegativity decreases.
Answer: C

6. HIO3 HBrO3 C. HClO3 Which of the following has the greatest Ka value?
Answer: B

7. HIO3 HBrO3 C. HClO3 Which of the following has the greatest Ka value?
Answer: B

13. A. –CH3
B. –OH2
C. –NH3
D. –COOH
Answer; D

14. A. –CH3
B. –OH2
C. –NH3
D. –COOH
Answer; D

20. A. One or more atoms with an unshared pair of electrons
B. One or more atoms with an electron deficiency
C. Must have a positive charge
D. Must have a negative charge
Answer: A

21. A. One or more atoms with an unshared pair of electrons
B. One or more atoms with an electron deficiency
C. Must have a positive charge
D. Must have a negative charge
Answer: A