Which of the following bonds is the most polar? A) H__F B) H__Cl C) H__Br D) H__

Question

Which of the following bonds is the most polar?
A) H__F
B) H__Cl
C) H__Br
D) H__I

24. How many electrons are associated with a double bond?
A) 1
B) 2
C) 4
D) 6

25. How many bonds does a carbon atom typically form?
A) 2
B) 4
C) 6
D) 8

26. Laughing gas, sometimes called nitrous oxide, has the formula N2O. What is the proper chemical name for nitrous oxide?
A) nitrogen oxide
B) nitrogen dioxide
C) dinitrogen oxide
D) dinitrogen oxygen

27. Which of the following is the correct formula for dinitrogen pentoxide?
A) O2N5
B) O5N2
C) N2O5
D) N5O2

28. What is the proper chemical name for water?
A) dihydrogen oxide
B) dihydrogen oxygen
C) hydrogen oxide
D) hydrogen oxygen

29. To use the VSEPR model to determine the geometry of a molecule we need to know which of the following?
A) the number of atoms in the molecule
B) the number of atoms bonded to the central atom
C) the number of lone pairs around the central atom
D) both (b) and (c)

Explanation / Answer

A) H__F C) 4 B) 4 C) dinitrogen oxide C) N2O5 D) both (b) and (c)

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