Displacement reactions

• what is a displacement reaction ?

  a more reactive element displaces a less reactive element from a compound
• if chlorine water was added to potassium iodide solution would the chlorine replace the iodine or not ?

  yes, because chlorine is more reactive than iodine
• what happens to the electrons in a displacement reaction ?

  the electrons are transferred from the less reactive to the more reactive
• what is a loss of electrons called ?

  oxidation
• what is reduction ?

  a gain in electrons
• what is it called when oxidation and reduction both happen at the the same time ?

  Redox reaction