Which of the following factors contribute to the fact that the polarizability of helium is less than that of argon?

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Which of the following factors contribute to the fact that the polarizability of helium is less than that of argon?

Which of the following factors contribute to the fact that the polarizability of helium is less than that of argon? Select all that apply.

Helium's electrons are more tightly bound than those of argon, since they are closer to the nucleus.
Helium's nucleus is smaller and the protons cannot move as far as those of argon.
Argon has many more electrons that can adjust to an external electric field than does helium.
Helium and argon are both inert gases and so do not have dipoles.
Polarons require large surface areas on which to create polarizability, and argon has more surface area than does helium.
Argon has more isotopes, and this spreads out the charge more.

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Answer 1

Answer #1

First statement is correct.

Also, argon has many more electrons that can adjust to an external electric field than does helium.

Also, larger the surface area, larger the polarizability. So, the second last satement is also correct.

Comment if any problem

In case that doesn't work, please uncheck the second last statement.

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Answer 2

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Which of the following factors contribute to the fact that the polarizability of helium is less than that of argon?

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