Electronegativity

If the difference in electronegativity is 0.2, the bond is ________.

• polar covalent

• nonpolar covalent

• ionic

Classify the bond between Hydrogen and Sulfur.

• Polar Covalent

• Non Polar Covalent

• Ionic

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The ability of an atom to attract another atom's electrons when bonded to that other atom is called_______________.

• A metallic bond

• A covalent bond

• Electronegativity

• Ionization energy

Use the bond triangle to identify what kind of bonds would form with the given parameters.

a) low electronegativity, and no electron localization

b) moderate electronegativity, and moderate electronegativity difference

c) high electronegativity difference, and high electron localization

• a) ionic bond

  b) polar covalent bond

  c) covalent bond

• a) metallic bond

  b) covalent bond

  c) ionic bond

• a) metallic bond

  b) polar covalent bond

  c) ionic bond

• a) metallic bond

  b) ionic bond

  c) polar covalent bond

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Use the electronegativity values on the previous page to predict the bond type between:

a) Potassium and chlorine

b) Selenium and bromine

• a) polar: 3.16 (Cl) - 1.00 (Ca) = 2.16

  b) ionic: 2.96 (Br) - 2.55 (Se) = 0.41

• a) ionic: 3.16 (Cl) - 1.00 (Ca) = 2.16

  b) non-polar: 2.96 (Br) - 2.55 (Se) = 0.41

• a) polar: 3.16 (Cl) - 1.00 (Ca) = 2.16

  b) polar: 2.96 (Br) - 2.55 (Se) = 0.41

• a) ionic: 3.16 (Cl) - 1.00 (Ca) = 2.16

  b) polar: 2.96 (Br) - 2.55 (Se) = 0.41

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Predict the bond type for Zn-O. Zn = 1.6 and O = 3.5

Non-polar = 0-0.3

Polar = 0.3-1.7

Ionic = 1.7-3.3

• Non-polar

• Polar

• Ionic

• Metallic

Predict the bond type for Cl-Cl. Cl = 3.0 and Cl = 3.0

• Non-polar

• Polar

• Ionic

• Metallic

Predict the bond type for P-Br. P = 2.1 and Br = 2.8

Non-polar = 0-0.3

Polar = 0.3-1.7

Ionic = 1.7-3.3

• Non-polar

• Polar

• Ionic

• Metallic

Polar bonds share electrons unequally

• True

• False

Which of the following statements best describes the trend in electronegativity down a group in the periodic table?

• Electronegativity increases down a group.

• Electronegativity decreases down a group.

• Electronegativity remains constant down a group.

• Electronegativity varies randomly down a group.

Tags

TX.112.43.C.7.A.