Dot Diagrams and Bonding Lesson

Dot Diagrams and Bonding

Integrated Physics and Chemistry

Valence Electron and Dot Diagram Review

Have a periodic table and valence electron table open

Multiple Choice

What is a valence electron?

• an electron that is found in the outermost shell of an atom.

• an electron found in the innermost shell of an atom.

• an electron found in the middle shell.

Multiple Choice

This is a correct dot diagram for neon (Ne)

• true

• false

Multiple Choice

What elements generally make a covalent bond?

• metal and nonmetal

• 2 or more nonmetals

• metal

• none of the above

Multiple Choice

This could be the dot diagram of

• Mg

• Cl

• C

• O

Multiple Choice

How would you draw a Lewis dot diagram for Magnesium?

Multiple Choice

How many valence electrons does Aluminum Have?

• 1

• 2

• 3

• 4

• 5

Ionic Bonding

• Atoms give/take electrons

• Atoms do NOT share

• Usually occurs between a metal and a nonmetal

Multiple Choice

What happens when the sodium atom loses an electron?

• It become negatively charged

• It become positively charged

• none

MgI₂

Let's take a look at the ionic bonding of Magnesium with two Iodine atoms.

Poll

How many electrons would Magnesium lose in an ionic bond?

• 1

• 2

Multiple Choice

How many electrons did oxygen gain?

• 1

• 2

• 4

• 8

Covalent bonds

• Electrons are shared between atoms

• usually occurs between two nonmetals

Multiple Choice

Which is the best way to represent a covalent bond of hydrogen atoms?

Multiple Choice

A carbon bonds covalently with 4 hydrogens. How many bonds will the carbon have?

• 1

• 2

• 3

• 4

General Bonding Questions

Multiple Choice

What type of bond would most likely form between Nitrogen and Oxygen?

• Ionic

• Covalent

Multiple Choice

Which type of bond would most likely form between potassium and iodine?

• Ionic

• Covalent

Multiple Choice

What type of bonding does this picture show?

• Ionic

• Covalent

Multiple Choice

What type of bond is this?

• ionic
• covalent

Multiple Choice

This picture shows a...

• Ionic Bond
• Covalent Bond
• Both bonds
• Neither bond

Multiple Choice

What elements generally make an ionic bond?

• metal and nonmetal

• 2 or more nonmetals

• metal

• none of the above

Multiple Choice

What happens when an atom gains an electron?

• Neutral (no charge)

• Positive Charge

• Negative Charge

Multiple Choice

Covalent compounds:

• Share electrons

• Transfer electrons

• Neither

Multiple Choice

Ionic Bonding involves:

• The transfer of protons

• The transfer of neutrons

• The transfer of electrons

• None Of the above