4.1 Ionic & Covalent Bonding

Silver and iodine are both shiny crystalline solids.

Which forces exist between neighbouring iodine molecules in solid iodine and particles in solid silver?

Below are four solids. Which of these contains more than one kind of bonding?

Which of the following statements about ions and ionic compounds are true? 

1.   Nitrogen can form a 3^- ion
2.   Potassium can form a cation
3.   The formula for aluminium chloride is AlCl₂

What is the correct formula for ammonium carbonate?

In acidic conditions, ammonia, NH₃, reacts with a proton, H⁺, to form ammonium NH₄⁺.

Using the following key:

    N electron

   H electron

Which of the following Dot & Cross diagrams correctly illustrate electron movement in this reaction.

Which crystal structure does not conduct electricity when solid, has a high melting point and can conduct electricity when molten?

Which of these atoms is most electronegative?

Which of the following compounds is not bonded ionically?

“Electrostatic attraction between cations and delocalised electrons”

Which of the following types of bonds does the statement best describe?

Which of the following materials only contain one type of bonding?

Based on their Pauling electronegativity values, which atom is more likely to form a covalent bond with fluorine?