First slide

Electronic configuration and Atomic , physical properties

Question

Which one of the following solid has the highest melting point

Easy

A

Diamond
B

NaCl(s)
C

Dry Ice
D

Copper

Solution

In general
Covalent solids have very high melting points; Diamond
Ionic solids also have high melting points; NaCl
Metallic solids also have high melting points ; Cu
Molecular solids have least melting points; ${CO}_{2} (s)$

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