First! ahhahaha This would have been better before my chem exam.. but oh well... the Oceania time zone paper was extremely easy, compared to the years before :) Keep up the good work!
You should say, "effective nuclear charge" when referring to ionization. Form what I've heard, chemistry teachers go nuts when they hear one of their students answer with that phrase.
Why is the reason behind the increase from the first ionisation energy to the second ionisation that the 'electron is being removed from a positive ion'. The charge of the entire ion should not affect the electrostatic force between the positive nucleus and an orbitting electron - because from Couloumbs Law we can see that the electrostatic force is only related to the magnitude of the charges and the square of their separation distance. Hence, the only reason there should be an increases is if the 1st electron that had already been removed is 'shielding' - that is repelling the other electron in the same 3s subshell for the magnesium. However in most textbooks I see that the 'overall charge of the ion' (which i don't see how it directly affects the couloumb force) is what actually causes the ionisation energy to increase. Can someone please clarify? thanks
Can't believe I'm enjoying studying chemistry! Thank you so much, you're a life saver!
Man these are epic. It makes me want to learn chemestry.
First! ahhahaha This would have been better before my chem exam.. but oh well... the Oceania time zone paper was extremely easy, compared to the years before :) Keep up the good work!
THIS IS EPICCC
You could totally get a youtube partnership
You should say, "effective nuclear charge" when referring to ionization. Form what I've heard, chemistry teachers go nuts when they hear one of their students answer with that phrase.
ENC is not expected to be understood - according to the syllabus - but I think it is helpful
I agree.
Why is the reason behind the increase from the first ionisation energy to the second ionisation that the 'electron is being removed from a positive ion'. The charge of the entire ion should not affect the electrostatic force between the positive nucleus and an orbitting electron - because from Couloumbs Law we can see that the electrostatic force is only related to the magnitude of the charges and the square of their separation distance. Hence, the only reason there should be an increases is if the 1st electron that had already been removed is 'shielding' - that is repelling the other electron in the same 3s subshell for the magnesium. However in most textbooks I see that the 'overall charge of the ion' (which i don't see how it directly affects the couloumb force) is what actually causes the ionisation energy to increase. Can someone please clarify? thanks
Hmmm - good question - I am curious myself.
Genius.
If this is minecraft, you are a bloody god! :o
it isnt
Thanks ^_^
What the hell is this game? O.o
gmod