Palladium atoms have an electron configuration of 2, 8, 18, 18. Ok basically it has to do with the allowable states in a certain shell. Newer Post Older Post. Fill in the table below. In chemistry and atomic physics, an electron shell, or a principal energy level [clarification needed], may be thought of as an orbit followed by electrons around an atom's nucleus.The closest shell to the nucleus is called the "1 shell" (also called the "K shell"), followed by the "2 shell" (or "L shell"), then the "3 shell" (or "M shell"), and so on farther and farther from the nucleus. 082 Pb (Lead) Legend_color:#cccccc 2,8,18,32,18,4 Pb 2,8,18,32,18,4 Pb It has 18 electrons set up in a 2-8-8 order. Prices and offers are subject to change. 20. 18. However, the atoms of every other element never have more than eight electrons in their outer shell. As elements need to accommodate more electrons, they fill empty orbitals in inner shells. 8 electrons occupy the second shell 1 electron occupies the third shell This electron arrangement can be written as 2.8.1 (each dot separates one shell from the next). All rights reserved. Scandium (Sc) is only 3 spots away with 21 electrons, but it has a configuration of 2-8-9-2. Think about argon (Ar). This is where it starts. The third shell in its lowest state has room for 8 electrons but including the higher energy 3d electrons it has a capacity of 18 electrons. 32 with free interactive flashcards. Question: In Bohr's electron configuration, can the energy shells hold a 2, 8, 8, 18, or 2, 8, 18 maximum number of electrons? 32 flashcards on Quizlet. Also we must remember Pauli Exclusion principle, which says no two electrons with exactly the same quantum numbers can occupy the same space-time. Transition metals are able to put more than eight electrons in the shell that is one in from the outermost shell. Choose from 500 different sets of term:electron shells = 2. The valence shell is the outer most shell and only its s and p orbitals are occupied, which is why the octet rule works. Choose from 500 different sets of term:electron shells = 2, 8, 18 flashcards on Quizlet. 8. You will need a periodic table. 082 Pb (Lead) Legend_color:#cccccc 2,8,18,32,18,4 Pb 2,8,18,32,18,4 Pb An up-to-date periodic table with detailed but easy to understand information electron shells 2 8 8 18, obeys a) hunds rule)b) octate rue c)paulin exclusion principle d) none of the above No comments: Post a Comment. Learn term:electron shells = 2. We could draw the electronic structure of each atom by placing a dot representing an electron in each shell, but that would take up a lot of space. Indeed, we find that the K shell can contain a maximum of only 2 electrons, but the next shell, the L shell, can contain a maximum of 8 electrons. Wow!