Bonding, Molecular Geometry, and Polarity

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

A covalent bond usually forms between

• a metal and a nonmetal

• either metals or nonmetals

• two metals

• two nonmetals

A dipole is also known as

• polar molecule

• nonpolar molecule

• bond angles

• geometry

The ability of an atom to attract electrons to itself is called

• geometry

• conductivity

• electronegativity

• ionization energy

What kind of bond do you have: Li and Cl

• Non-polar covalent

• Polar covalent

• ionic

• James Bond