Chemical Bonding and Polarity

What kind of bond do you have: F and Cl

• Non-polar covalent
• Polar covalent
• ionic
• James Bond

Which of the following elements has the weakest attraction for electrons in a chemical bond?

• S
• Cl
• O
• F

The molecule shown in the diagram can best be classified as a

• polar covalent molecule
• nonpolar covalent molecule
• ionic compound
• nonpolar ionic compound

The polarity of a bond between two elements can be best determined by

• The difference in electronegativity between the elements
• The difference in first ionization energy between the elements
• The number of electrons shared in the bond
• The difference in atomic radius between the elements

In the diagram shown, what is the total number of electrons shared in the bond between the two carbon atoms?

• 2
• 3
• 4
• 6

Which bond is most polar?

• H-F
• H-Cl
• H-Br
• H-I

Which formula represents a polar molecule?

• H₂
• H₂O
• CO₂
• CCl₄

Is the molecule H₂O polar or non-polar?

• polar
• non-polar

Is the molecule H2  polar or non-polar?

• polar
• non-polar

What kind of bond do you have: Br and Br

• Non-polar covalent
• Polar covalent
• ionic
• James Bond