3.3-Covalent Bonds - 3

What is the ability of an atom to attract electrons toward itself in a chemical bond called?

• Ionization energy

• Electronegativity

• Atomic radius

• Bond energy

Which element is the most electronegative?

• Oxygen

• Fluorine

• Chlorine

• Nitrogen

The electronegativity values are measured using which scale?

• Kelvin scale

• Newton scale

• Pauling scale

• Celsius scale

How does electronegativity change within a group on the periodic table?

• Increases from left to right

• Increases from bottom to top

• Decreases from top to bottom

• Stays constant

What analogy is used to describe how atoms compete for bonding electrons?

• Sprint race

• Chess game

• Tug-of-war

• Puzzle match

In which type of bond are electrons shared equally?

• Ionic bond

• Metallic bond

• Nonpolar covalent bond

• Polar covalent bond

In which type of bond are electrons shared unequally?

• Metallic bond

• Nonpolar covalent bond

• Polar covalent bond

• Ionic bond

What type of bond forms when the electronegativity difference is greater than 2.0?

• Metallic bond

• Polar covalent bond

• Ionic bond

• Hydrogen bond

What theory is used to predict the 3D shape of molecules?

• VSEPR theory

• Quantum theory

• Kinetic theory

• Bonding theory

What repels bonding pairs of electrons to minimize repulsions in molecular shapes?

• Neutrons

• Protons

• Lone pairs

• Nuclei