MELTING POINT

• WHAT ARE THE MELTING POINTS OF G2 LIKE?

  high
• WHY DO G2 ELEMENTS HAVE HIGH MELTING POINTS?

  giant metallic structure
• WHAT HAPPENS TO MELTING POINT DOWN GROUP 2?

  decreases
• WHY DOES MELTING POINT DECREASE DOWN GROUP 2?

  • sea of delocalised electrons are further away from positive nucleus
  • metallic bond strength decreases
• WHAT IS THE ANOMALY IN GROUP 2?

  Mg has the lowest melting point