d and f BLOCK ELEMENTS Quiz

• Ionic character increases
• Ionic character remains constant
• Ionic character decreases then increases
• Ionic character decreases

• Ionic
• Metallic
• Covalent
• Hydrogen bonding

• VO4 3– salts
• VO2+ salts
• V2O5
• VO3 -

• It is highly reactive with water
• It forms insoluble hydroxides
• It undergoes disproportionation
• It is easily oxidized by atmospheric oxygen

• A process where an element gains electrons
• A process where an element loses electrons
• A process where a particular oxidation state becomes less stable relative to other oxidation states, one lower, one higher
• A process where two different elements exchange oxidation states