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1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p2. Using noble gas shorthand, write the electron configuration of astatine (At). [Xe] 6s2 4f14 5d10 6p5. Identify the element, if the configuration shows the atom in an excited state, write the ground configuration: 1s2 2s2 2p6 3s2 3p2.
Electron Configuration Electron configuration is shorthand for the arrangement of electrons in atomic orbitals. It is written out, as opposed to orbital diagrams which are depicted pictorially. For elements with many electrons, noble gas configuration is a useful way to abbreviate the electron configuration.
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Write the correct noble gas configuration for Br. What is wrong with the electron configuration pictured? The 3p orbital should fill with 6 electrons before beginning to fill the 4s orbital.
Apr 02, 2020 · The electron configuration for cobalt is 1s2 2s2 2p6 3s2 3p6 3d7 4s2. The first number in each group identifies the energy level of the electrons. The letter represents the type of shell in which the electrons sit, while the final number denotes the number of electrons in the shell.
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–Noble gases (8A) almost completely unreactive due to electron configuration •ns2np6 (except He 1s2) –Main group elements tend to gain or lose electrons to become isoelectronic (same valence electron configuration as nearest noble gas)
Only RUB 220.84/month. Orbital Notation, Electron Config, Noble Gas Config. STUDY. Flashcards. Learn. Write. Technetium - electron configuration. Lithium (Li) - noble gas configuration. [He] 2s^1. Phosphorus (P) - noble gas configuration.