d and f BLOCK ELEMENTS Quiz

• They have fewer atoms
• They are always ionic
• The presence of different sized atoms disrupts crystal planes and impedes dislocation movement
• They have lower melting points

• A chemical compound
• A pure element
• A mixture of metals
• An ionic compound

• They are noble metals
• They lack reactive electrons
• They are purely ionic
• The strong metal-carbon bonds and stable lattice structure

• Oxidation of sulfur dioxide in the Contact Process
• Hydrogenation of alkenes
• Production of ammonia via the Haber-Bosch process
• Oxidation of iodide ions by persulfate ions

• The ratio is always a simple whole number
• The compound is always ionic
• The ratio of elements is not fixed and can vary within a range
• The compound has a fixed molecular weight