Unit 07 IMFs - Polarity

N₂

• Polar 
• Nonpolar 

F₂

• Polar 
• Nonpolar 

Which of the following is a polar molecule?

• CH₄
• Xe
• H₂O
• CO₂

Which of the following geometries could be nonpolar?

• bent
• tetrahedral
• trigonal pyrimidal
• none of the above

Which formula represents a nonpolar molecule?

• HBr
• H₂S
• CBr₄
• PCl₃

Non polar covalent bond is equal sharing of electron. Polar covelent bond is

• unequal sharing of electrons

• different distribution of electrons

• presence of hydrogen bonding

• presence of polar atoms

Polarity of a molecule is determined by

• shape and charge

• symmetry/asymmetry of molecule and difference in EN value

• difference in EN value and size

• difference in EN value and charges

What is the measure of the tendency of an atom to attract bonding electrons called?

• ionization energy

• electron charisma

• dipole momentum

• electronegativity

NH₃ is a _____ molecule

• polar

• non-polar

NH₃ has _____ bonds

• polar

• non-polar