POLARITY OF MOLECULES

• The ability of an atom in a molecule to attract shared electrons is referred to as electronegativity
• Polar bonds may result in nonpolar covalent compounds depending on molecular geometry
• The atoms of a water molecule are held together by polar covalent bonds
• Among the molecules listed, CO2 is nonpolar
• The pair with the lowest electronegativity difference value is Na-Cl
• The ability of an atom in a molecule to attract shared electrons is referred to as:

  • Electronegativity
• True statements about polar bonds:

  • They may result in nonpolar covalent compounds depending on molecular geometry
• The atoms of a water molecule are held together by:

  • Polar covalent bond
• Nonpolar molecules:

  • CO2
• The pair with the lowest electronegativity difference value:

  • Na-Cl
• A hypothetical molecule with an electronegativity difference of 0.5 would have a:

  • Polar covalent bond
• The molecular shape of BeF3 is:

  • Trigonal
• A polar covalent bond would form in which of the following pairs of atoms:

  • N-H
• The statement about molecular shape and VSEPR theory:

  • The first statement is true while the second statement is false