Ions and ionic bonds

What the syllabus asks of you

• Describe the formation of positive ions, known 5 Describe the giant lattice structure of ionic as cations, and negative ions, known as anions compounds as a regular arrangement of
• State that an ionic bond is a strong electrostatic alternating positive and negative ions attraction between oppositely charged ions
• Describe the formation of ionic bonds between 6 Describe the formation of ionic bonds between elements from Group I and Group VII, including ions of metallic and non-metallic elements, the use of dot-and-cross diagrams including the use of dot-and-cross diagrams
• Describe the properties of ionic compounds: 7 Explain in terms of structure and bonding the (a) high melting points and boiling points properties of ionic compounds: (b) good electrical conductivity when aqueous (a) high melting points and boiling points or molten and poor when solid (b) good electrical conductivity when aqueous or molten and poor when solid