The reactivity of an atom arises from
a. the average distance of ...

Question

The reactivity of an atom arises from
a. the average distance of the outermost electron shell from the nucleus.
b. the existence of unpaired electrons in the valence shell.
c. the sum of the potential energies of all the electron shells.
d. the potential energy of the valence shell.

Accepted Answer

everyone here we have a question saying noble gasses have full electron shells while halogen is readily gain an electron to fill their outermost shell. Which of the following statements is therefore true. A noble gasses are highly reactive compared to allergens. Noble gasses already have a full electron shell. And to do to look at this, we can look at neon. So we have the nucleus and we have its first shell which has two electrons and then we have its second shell which has eight. So it is full. It has a full talk ted and it is happy. So A is incorrect. B halogen are more reactive than noble gasses. This is true because they want that full octet. They want their outer shell to be full. But let's see why the others are wrong. See, noble gasses are more unstable than halogen. This is false. It has that full shell. So it is more stable. D halogen have less energy than noble gasses. This is also untrue because they're wanting that extra electron. So our answer here is B paladins are more reactive than noble gasses. Thank you for watching. Bye!

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