Wow, I've never heard that before about electron affinity not having a vertical trend. My textbook and other sources I've looked at all just show electron affinity increasing toward the top right corner, similar to the trend for ionization energy and electron affinity. Interesting.
Hey there Science nerd! :) it might help you to see the actual values for electron affinity rather than taking our word for it - if you search for the periodic table of electron affinity values you can see that other than group 1 which decreases steadily down the group, a lot of the other groups tend to increase down to period 3 and then decrease as mentioned in this video - but some don't even follow that rule. It depends on the course you are taking as to what the textbook says on a need-to-know basis - some courses only require you to know the trend to period 3. As a very very broad trend electron affinity increases towards chlorine which has the highest electron affinity, so the arrow pointing to the top right corner is not more to give you some trend to hold on to rather than being accurate!
Obviously having a filled octet Lewis would not have predicted xenon to make any bonds and this held true for chemists the world over. But the octet rule relates to filling up a shell's s and p orbitals. But there also d orbitals that are used with 'expanded' octets. And it turns out xenon's ionization potentials is still pretty high making only reactive with the most electronegative of elements, fluorine. Hope this helps!
I get it!!! thank you!!! I appreciate that you take the time to specify what the questions are looking for, so that we know how to put the information together. I have realized this is the problem for me with my prof, i have the INFO but cant understand what the question s asking. thank you!
Wow, I've never heard that before about electron affinity not having a vertical trend. My textbook and other sources I've looked at all just show electron affinity increasing toward the top right corner, similar to the trend for ionization energy and electron affinity. Interesting.
Hey there Science nerd! :) it might help you to see the actual values for electron affinity rather than taking our word for it - if you search for the periodic table of electron affinity values you can see that other than group 1 which decreases steadily down the group, a lot of the other groups tend to increase down to period 3 and then decrease as mentioned in this video - but some don't even follow that rule. It depends on the course you are taking as to what the textbook says on a need-to-know basis - some courses only require you to know the trend to period 3. As a very very broad trend electron affinity increases towards chlorine which has the highest electron affinity, so the arrow pointing to the top right corner is not more to give you some trend to hold on to rather than being accurate!
Bro then why do xenon makes bond
Obviously having a filled octet Lewis would not have predicted xenon to make any bonds and this held true for chemists the world over. But the octet rule relates to filling up a shell's s and p orbitals. But there also d orbitals that are used with 'expanded' octets. And it turns out xenon's ionization potentials is still pretty high making only reactive with the most electronegative of elements, fluorine.
Hope this helps!
I get it!!! thank you!!! I appreciate that you take the time to specify what the questions are looking for, so that we know how to put the information together. I have realized this is the problem for me with my prof, i have the INFO but cant understand what the question s asking.
thank you!
You're welcome Priscilla! Glad you found this helpful!