Polar Molecules Electronegativity

The electrons in a polar covalent molecule are shared...

• Evenly

• Unevenly

• Electrons are not shared

• None of the Above

The electrons in a nonpolar covalent molecule are shared...

• Evenly

• Unevenly

• Electrons are not shared

• None of the Above

The electrons in an ionic molecule are shared...

• Evenly

• Unevenly

• Electrons are not shared

• None of the Above

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-3

In a polar covalent bond, the electrons gather around...

• The atom with the Greatest Electronegativity

• The atom with the Lowest Electronegativity

• Each atom Equally

• None of the Above

In a nonpolar covalent bond, the electrons gather around...

• The atom with the Greatest Electronegativity

• The atom with the Lowest Electronegativity

• Each atom Equally

• None of the Above

The polarity of a bond is determined by...

• The sum of the electronegativities of the two atoms

• The difference in the electronegativities of the two atoms

• The charges of the atoms

• None of the Above

Partial charges are present in which type of bond?

• Ionic

• Nonpolar Covalent

• Polar Covalent

• Both Polar Covalent and Ionic

In a polar covalent bond, which atom will have a partial positive charge? (choose 2 correct answers)

• The atom that attracts fewer electrons

• The atom with the greater electronegitivity

• The atom that attracts more electrons

• The atom with the lower electronegativity

Tags

NGSS.HS-PS1-1

A diatomic molecule like O₂ is always _____ because electrons are shared _____

• nonpolar; unequally

• polar; equally

• nonpolar; equally

• polar; unequally

What must the difference in electronegativity between two atoms be in order for the bond between them to be nonpolar covalent?

• less than 0.5

• greater than 1.7

• between 0.4 and 1.5

• exactly 0