1.

The temperature at which the molecules are able to overcome the intermolecular force of attraction and become free to move at their own and thus changes from solid to gas directly is ??​

Answer»

Larger and HEAVIER atoms and molecules EXHIBIT stronger dispersion forces than do smaller and lighter atoms and molecules. F2 and Cl2 are gases at room temperature (REFLECTING weaker attractive forces); Br2 is a liquid, and I2 is a solid (reflecting stronger attractive forces).

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