2.2.2 Bonding and Structure

Question 1

What is an ionic bond?

Answer 1

Electrostatic attraction between cation(s) and anion(s)

Question 2

What do some ionic molecules form?

Answer 2

Giant ionic structure

Question 3

What is the structure of a giant ionic structure?

Answer 3

• Regular structure
• Cubic shape
• Giant repeating pattern

Question 4

What are the properties of a giant ionic structure?

Answer 4

• Polar = soluble
• Conduct electricity if molten- e- free to move
• High melt/boil point- strong electrostatic forces

Question 5

What is a covalent bond?

Answer 5

Electrostatic attraction between the shared e- and positive nuclei; full outer shell

Question 6

What is a dative/ coordinate bond? How is it shown in displayed formula?

Answer 6

One atom doesn’t donate 2e-

Arrow towards one that didn’t donate