You and I looking at two different things: mod 100 and electron configuration.
I'm going with mod 100. 2818322192 mod 100 is 92 and 2818322482 mod 100 is 82.
You, on the other hand, are concatenating the numbers of electrons on each shell of an atom.
The problem lies here. The transmission clearly directs us to mod 100 in its text. It mentions nothing about electron configuration. For this reason, I conclude that the transmission points toward lead and uranium.
Even so, I think we should consider plutonium and uranium to be possible as well.
In the previous transmissions, the MOD sign has always come before the codebit that needed decryption. Therefore I see Uranium and Plutonium as the most possible solution.
Also, to get to the electron-numbers, you have already divided the frequencies by 100. Why should those answers be seen as one large number, before using modulo 100 on it again?