 So let's do this problem and we can really emphasize the effect of an external magnetic field on one of these atoms, okay? So remember we said if you have unpaired electrons in one of your orbitals, the atom itself or particle will be affected by an external magnetic field, okay? And if it is affected, we call that paramagnetic, okay? So let's go ahead and draw the condensed orbital diagram of silver, okay? So everybody help me out with that. You can help me out just by calling it out. So what would we start with? Crypton. Crypton, yeah. And then 5S2, well not with silver though, right? 5S1, that's all right. Or D10, is that everybody okay with that? Okay, so that's the condensed electron configuration. Let's draw the orbital diagram, okay? So just so we can see the unpaired electron. So this is going to be paramagnetic. Why? Excuse me, because it's affected by the magnetic field, external magnetic field. What would you expect the ion for silver to be? So let's draw the condensed, well let's draw the electron diagram, or the electron configuration and then the condensed orbital diagram, okay? So silver is going to be plus one. Why would you expect that? So what's its condensed electron configuration? Crypton, 4D10. Yeah, Crypton, 4D10. So it lost that 5S electron. As hopefully you would have expected. So when we draw the condensed orbital diagram, it's still got the filled 4D, right? But does it have any unpaired electrons? No, okay? So in fact, if you put this through the same experiment as the silver atom itself, it would not be affected by the external magnetic field, okay? So we call this thing diamagnetic, affected by the external magnetic field. So why is this paramagnetic? Because we've got that unpaired. And why is this diamagnetic? No. So you should be able to figure out if something's paramagnetic or diamagnetic. Any questions on this?