Covalent and Ionic Bonds in Chemistry

The video explores whether aluminum phosphate (AlPO4) is ionic or covalent. It concludes that AlPO4 is an ionic compound due to the presence of a metal (aluminum) and nonmetals (phosphorus and oxygen). The phosphate group within AlPO4 has covalent bonds between phosphorus and oxygen. The video also discusses the ionic charges of aluminum (3+) and the phosphate ion (3-), which result in an ionic bond. Overall, AlPO4 is an ionic compound with covalent bonds within the phosphate group.

What type of compound is aluminum phosphate primarily classified as?

• Molecular compound

• Metallic compound

• Ionic compound

• Covalent compound

Which elements in aluminum phosphate are nonmetals?

• Aluminum and phosphorus

• Aluminum and nitrogen

• Aluminum and oxygen

• Phosphorus and oxygen

Which group in the periodic table does aluminum belong to?

• Group 2

• Group 17

• Group 13

• Group 1

What is the ionic charge of aluminum in aluminum phosphate?

• 1+

• 3+

• 2+

• 4+

What is the ionic charge of the phosphate ion?

• 4-

• 2-

• 3-

• 1-

What type of bond exists between phosphorus and oxygen in the phosphate ion?

• Ionic bond

• Covalent bond

• Metallic bond

• Hydrogen bond

What is another name for a covalent bond?

• Hydrogen bond

• Ionic bond

• Metallic bond

• Molecular bond

Why is aluminum phosphate considered an ionic compound overall?

• Because it is composed of nonmetals only

• Because it contains only covalent bonds

• Due to the presence of metallic bonds

• Because of the attraction between positive and negative ions

What is the main reason for the formation of an ionic bond in aluminum phosphate?

• Presence of covalent bonds

• Presence of metallic bonds

• Attraction between opposite charges

• Presence of hydrogen bonds