ICSE Class 10 Answered
why melting and boiling points of metal decreases down the group??
why melting and boiling point of metal first increses across a period , till 14A and then decreses??
Asked by zaheenazra | 06 Apr, 2020, 07:47: AM
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 Ramandeep | 06 Apr, 2020, 11:00: AM
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