Polarity of Molecules

What do we call the ability of an atom in a molecule to attract shared electrons?

• Electron affinity

• Electronegativity

• Ionization Energy

• Electromotive Force

Which of the following molecule is nonpolar?

• CO₂

• HCl

• NaCl

• NH₃

What is the electronegativity difference of C – O?

• 0

• 0.5

• 1.0

• 1.5

What type of chemical bond holds the atom of a table salt molecule (NaCl)?

• Ionic

• Hydrogen

• Polar Covalent

• Nonpolar Covalent

Tags

NGSS.HS-PS1-3

Lisa had prepared X-molecule inside YG laboratory. X molecule has an electronegative difference of 0.327, what is the type of chemical bond present on X molecule?

• Ionic

• Hydrogen

• Polar Covalent

• Nonpolar Covalent

What is the Electronegative difference of Sodium and Iodine?

• 1.5

• 1.6

• 1.7

• 1.8

Which of the following is the correct molecular shape of a Carbon tetrachloride?

• Trigonal pyramidal

• Trigonal planar

• T-shaped

• Tetrahedral

Why is water has a bent molecular geometry instead of a linear one?

• Due to the attraction of 2 lone pairs of Oxygen

• Due to the repulsion force of 2 lone pairs of Oxygen

• Due to the attraction of 2 Hydrogen bonds

• Due to the repulsion force of 2 Hydrogen bonds

What is the Electronegative difference of two oxygen atoms?

• 0

• 1

• 1.25

• 1.5

What is the molecular shape of BeF3?

• Linear

• Trigonal

• Tetrahedral

• rigonal bipyramidal