Electronegativity and Covalent Bonds

Electronegativity and Covalent Bonds

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Jackson Turner

FREE Resource

The video explores whether HI is ionic or covalent, concluding it is a covalent compound. By examining the periodic table, it is shown that both hydrogen and iodine are non-metals, leading to a covalent bond. The video also analyzes the electronegativity difference between hydrogen and iodine, which is 0.4, classifying HI as a non-polar covalent molecule. The concept of bonding as a continuum from nonpolar covalent to ionic is discussed, with HI falling into the non-polar covalent category due to its electronegativity difference being less than 0.5.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of compound is HI based on the periodic table?

Metallic

Hydrogen bond

Covalent

Ionic

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which elements make up HI, and what are their classifications?

Hydrogen and Iodine, both metalloids

Hydrogen and Iodine, both metals

Hydrogen and Iodine, both nonmetals

Hydrogen and Iodine, one metal and one nonmetal

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the electronegativity difference between hydrogen and iodine?

0.4

0.6

0.2

0.8

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is HI considered a nonpolar covalent molecule?

Because the electronegativity difference is greater than 1.7

Because it forms a crystal lattice

Because the electronegativity difference is less than 0.5

Because it contains a metal and a nonmetal

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the range of electronegativity difference for polar covalent bonds?

0.0 to 0.4

0.5 to 1.7

2.6 to 3.0

1.8 to 2.5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the periodic table help in determining the type of bond in HI?

By classifying elements as metals or nonmetals

By showing the atomic mass of elements

By indicating the metallic nature of elements

By listing the boiling points of elements

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the 0.5 threshold in determining bond type?

It distinguishes between polar and nonpolar covalent bonds

It distinguishes between metallic and covalent bonds

It distinguishes between hydrogen and ionic bonds

It distinguishes between ionic and covalent bonds