Does the melting and boiling point decrease as we down the group?

Asked by ADITYA MATHEW | 25th Oct, 2014, 08:51: PM

Expert Answer:

  • Different groups show different trends in boiling and melting points.
  •  The boiling and melting points decrease as you move down the group in group 1 and group 2.
  • The boiling and melting points mostly increase as you move down the group for transition metals, but they increase for the zinc family.
  •  In Groups 13 and 14, there is a decrease in boiling and melting points as you move down the group.
  • In Groups 15, 16, and 17, the melting and boiling points tend to increase in both.
  •  Group 18 decrease in their boiling and melting points down the group.                               

Answered by Arvind Diwale | 26th Oct, 2014, 01:29: PM