Electronegativity and Bond Type

What is electronegativity according to Linus Pauling?

• The ability of an atom to share electrons equally

• The power of an atom in a molecule to attract electrons to itself

• The tendency of an atom to repel electrons

• The ability of an atom to lose electrons

Tags

NGSS.HS-PS1-2

Which element is more electronegative, carbon or oxygen?

• Carbon

• It depends on the molecule

• Oxygen

• They have the same electronegativity

What is the electronegativity value of carbon on the Pauling scale?

• 2.1

• 3.5

• 1.4

• 2.5

What type of bond is formed between two carbon atoms?

• Ionic bond

• Metallic bond

• Polar covalent bond

• Nonpolar covalent bond

What is the difference in electronegativity between carbon and hydrogen?

• 1.4

• 0.5

• 1.0

• 0.4

What charge does oxygen acquire in a polar covalent bond with carbon?

• Full positive charge

• Partial positive charge

• No charge

• Partial negative charge

What is the electronegativity difference that typically indicates a polar covalent bond?

• Less than 0.4

• Greater than 0.5

• Less than 0.5

• Exactly 0.5

Which of the following bonds is considered nonpolar?

• Carbon-nitrogen bond

• Oxygen-hydrogen bond

• Carbon-hydrogen bond

• Carbon-oxygen bond

What is the electronegativity value of oxygen on the Pauling scale?

• 2.5

• 1.4

• 3.5

• 2.1

Tags

NGSS.HS-PS1-2

What happens to the electrons in a polar covalent bond between oxygen and hydrogen?

• They move closer to hydrogen

• They are shared equally

• They move closer to oxygen

• They are lost to the environment