00:01
All right, so you want me to explain the concept of bases, both from the bronsted -lowry model and from the lewis model.
00:07
The bronsted -lowry model says that bases are proton acceptors, which means some other species, which i'll call ha, is going to take its h and it's going to give it to the base that you're talking about.
00:22
Out, whether that be nh3, carbonate ion, the f minus, or the oh minus ion.
00:31
Now, it specifically wants you to also relate it to lewis acids and bases.
00:35
So let's go ahead and draw their structures out.
00:37
Let's pretend that i'm dealing with h bound to a halogen a, and let's pretend that we're trying to bind it to nh3.
00:45
Here's nh3's lewis structure.
00:49
Okay, so what's going to happen is this h ion that's right here is going to be sent over to the n ion in order to make it so that the reaction takes place.
01:00
And what will happen on the other side then is you'll end up with n now with four h's, but less electrons.
01:10
Now it's going to have a plus charge.
01:12
And on the other side, we're going to have an a that's going to have all those electrons.
01:18
Okay.
01:18
And that one's going to be a negative charge.
01:21
So what's essentially happening? the h -ion is taking the place of the lone pair...