Aluminum Phosphide and Ionic Bonds

The video explains the Lewis structure for aluminum phosphide (AlP), an ionic compound. It details the electron transfer from aluminum, a metal, to phosphorus, a non-metal, forming ions with opposite charges that attract each other to create an ionic bond. The video also discusses the use of brackets to indicate electron transfer and the concept of a formula unit in a crystal structure.

What type of compound is aluminum phosphide considered to be?

• Molecular

• Metallic

• Ionic

• Covalent

How many valence electrons does aluminum have?

• Five

• Four

• Three

• Two

In which group is phosphorus found on the periodic table?

• Group 16

• Group 15

• Group 14

• Group 13

What happens to the valence electrons of aluminum in the formation of aluminum phosphide?

• They are shared with phosphorus.

• They are transferred to phosphorus.

• They remain with aluminum.

• They are lost to the environment.

What charge does phosphorus acquire after gaining electrons?

• 3+

• 2-

• 3-

• 1+

What is the charge on aluminum after it loses its valence electrons?

• 3+

• 4+

• 1+

• 2+

Why is the octet completion important for phosphorus in aluminum phosphide?

• It changes the color of phosphorus.

• It increases the size of phosphorus.

• It makes phosphorus more reactive.

• It stabilizes phosphorus.

What is the significance of brackets around phosphorus in the Lewis structure?

• They indicate a covalent bond.

• They denote a metallic bond.

• They show the electrons are shared.

• They highlight the gained electrons.

What is the result of the attraction between the aluminum ion and the phosphide ion?

• A hydrogen bond

• An ionic bond

• A covalent bond

• A metallic bond

What is a formula unit in the context of aluminum phosphide?

• A repeating pattern in a crystal

• A covalent network

• A single atom

• A single molecule