Learn iodine atomic number, atomic mass of iodine and iodine uses. Login. Study Materials. Electron configuration [Kr] 4d 10 5s 2 5p 5: CAS number: 7553-56-2 Write the unabbreviated electron configurations of the following elements: 1) copper 1s22s22p63s23p64s23d9 2) iodine 1s22s22p63s23p64s23d104p65s24d105p5 3) potassium 7 (f z3, f xz2, f xyz, f x (x2-3y2), f yz2, f z (x2-y2), f y (3x2-y2) 14. Using our example, iodine, again, we see on the periodic table that its atomic number is 53 (meaning it contains 53 electrons in its neutral state). Its complete electron configuration is 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 6 5s 2 4d 10 5p 5. The shell closest to the nucleus (first shell) has 2 dots representing the 2 electrons in 1s, while the outermost shell ( 2s) has 1 electron. Figure 2.7.1 2.7. 1: Shell diagrams of hydrogen (H), helium (He), lithium (Li), and Berryellium (Be) atoms. (CC BY-SA 2.0 UK; Greg Robson modified by Pumbaa via Wikipedia) See explanation. Noble Gas notation, also known as core notation is a shortened version of the format for electron configurations using the noble gas to represent the completed orbitals of the atoms structure. Here are three examples using Iodine (I), Germanium (Ge) and Zirconium (Zr). Iodine (I) would have a standard electron configuration of 1s^2 2s^2 2p^6 3s^2 3p^ 4s^2 3d^10 4p^6 5s^2 4d^10 Study with Quizlet and memorize flashcards containing terms like Nitrogen Oxygen Carbon Iodine Hydrogen 3 covalent bonds, 1 nonbonding electron pair 2 covalent bonds, 2 nonbonding electron pairs 4 covalent bonds, 0 nonbonding electron pairs 1 covalent bond, 3 nonbonding electron pairs 1 covalent bond, 0 nonbonding electron pairs, Select all of the statements that correctly describe covalent In this case, the noble gas before iodine is xenon (Xe). The electron configuration for xenon is: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶. After identifying the noble gas, we can write the electron configuration for iodine by adding the remaining electrons. Iodine (I) has an atomic number of 53, meaning it has 53 electrons. halogen, any of the six nonmetallic elements that constitute Group 17 (Group VIIa) of the periodic table. The halogen elements are fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At), and tennessine (Ts). They were given the name halogen, from the Greek roots hal - (“salt”) and - gen (“to produce”), because they all .

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