ionic B-btw(2&6)

• What should you be able to describe by the end of the video on ionic bonding?

  How electrons are transferred during ionic bonding between group two metals and group six non-metals
• What is the purpose of drawing Dot and cross diagrams in ionic bonding?

  To show the transfer of electrons during ionic bonding
• What type of elements participate in ionic bonding as mentioned in the video?

  A metal reacts with a non-metal
• What happens to the lithium atom during its reaction with fluorine?

  The electron in the outer energy level moves to the fluorine atom
• What ions are produced at the end of the reaction between lithium and fluorine?

  A one positive lithium ion and a one negative fluoride ion
• What stable electronic structure do the lithium ion and fluoride ion achieve?

  The stable electronic structure of a noble gas
• Which group two metal and group six non-metal are used as an example in the video?

  Magnesium and oxygen
• How many protons and electrons does a magnesium atom have?

  12 positive protons and 12 negative electrons
• What happens to the magnesium atom when it reacts with oxygen?

  The magnesium atom loses two electrons from its outer energy level
• What charge does the magnesium ion have after losing its electrons?

  Two positive charge
• What charge does the oxide ion have after gaining electrons?

  Two negative charge
• What do both the magnesium ion and oxide ion achieve after the reaction?

  A full outer energy level
• What is shown in a Dot and cross diagram?

  The outer energy levels of the atoms involved in the reaction
• What do group two metals do during ionic bonding?

  Lose two electrons forming a two positive ion
• What do group six non-metals do during ionic bonding?

  Gain two electrons forming a two negative ion
• What is the stable electronic structure achieved by both ions after ionic bonding?

  The stable electronic structure of a group zero noble gas
• In an exam, what types of ionic bonding reactions could you be asked to show?

  Any metal in group 1 or 2 and any non-metal in group 6 or 7
• What happens in the reaction between lithium and oxygen?

  Two lithium atoms lose their outer electron to one oxygen atom
• What occurs in the reaction between calcium and fluorine?

  The calcium atom loses its two outer electrons to two fluorine atoms
• How many outer electrons do calcium and fluorine atoms have?

  Calcium has two and fluorine has seven outer electrons
• What do the two fluorine atoms do in the reaction with calcium?

  Gain one electron each
• What do calcium and the two fluorine atoms achieve after their reaction?

  A full outer energy level
• What is the process of ionic bonding between group two metals and group six non-metals?

  • Group two metals lose two electrons
  • Forming a two positive ion
  • Group six non-metals gain two electrons
  • Forming a two negative ion
  • Both ions achieve a full outer energy level
  • Achieving the stable electronic structure of a group zero noble gas
• What are the key features of Dot and cross diagrams in ionic bonding?

  • Show only the outer energy levels
  • Illustrate the transfer of electrons
  • Represent the ions formed after the reaction