it tells me to use the definition
f(a)=limit...f(a+h)-f(a)
...h->0...__________
......h
to find the derivative of the given function at the indicated poin.
f(x)=1/x, a=2
I don't kno what to do
the question is
Write both the complete electron configuration and the noble-gas notation for iodine,I, How many innershell electrons does an iodine atom contain?
my answer to the first question is 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6 4d^10 then i get lost