The true statements are 1, 3, 4 and 5.
Explanation:
1. The statement is true.
Generally speaking, polarizability increases as electron volume increases. This happens in atoms because larger atoms have less firmly bound electrons compared to smaller atoms, which have more loosely held electrons. More polarizable than smaller atoms are larger molecules, atoms, or ions.
2. The statement is false.
as we go down the group, the dispersion forces increases and they can be stronger than any other interactions.
3. The statement is true.
In comparison to molecules with a linear shape, spherical molecules have less surface area and a lower dispersion force.
4. The statement is true.
As the polarizable size of the molecules increases down the group, the boiling points also increase. As you move down the column of noble gases, their increasing diameters and resulting greater and greater London dispersion forces are apparent. The boiling point is set by these intermolecular interactions. The easier it is to separate the atoms, the smaller the force.
5. The statement is true.
The dispersion forces get stronger when polarizability increases. As a result, molecules are more attracted to one another, and the melting and boiling points of covalent compounds increase with increasing molecular mass. Through the affected molecules' impacted molecules' molecular shapes, polarizability also affects dispersion forces.
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