Noble Gases & Periodic Trends

[futuredoctor10]

Periodic Trends in Relation to Noble Gases
In summary, just know Electronegativity of Noble Gases = 0 and Electron Affinity is practically zero?

I think all other trends follow the normal expected patterns...
Electron affinity of noble gases are close to 0.
Noble gases do not have Electronegativity values (don't form covalent bonds)

Ionization energy: extremely high for Noble Gases (follows trend inc L--> R)
Atomic radius: lowest for Noble Gases/each row (follows trend dec L-->R)
Effective nuclear charge: highest for Noble Gases (follows trend inc L-->R)

(Please correct any wrong statements)

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[ballofnerves]

I think that's more or less correct. Just keep in mind that some noble gases do form covalent bonds, such as in xenon hexafluoride XeF6 or krypton difluoride KrF2. As a result, some noble gases do actually have electronegativity values (and they are not necessarily close to 0). I think the chemistry behind all this is perhaps too in-depth for the MCAT, but don't get thrown off if one of these compounds happens to pop up.

 

[futuredoctor10]

Thanks so much! That really helps. I'll keep in mind for EN that noble gases CAN have electronegativity values (not close to zero), in the event one of those compounds popped up!

 

[Neurokiran]

Thanks, It was really helpful.