2 8 18 7 Element. ⇒ 2+8+7 = 17 Therefore the atomic number of this element is 17 and the element is chlorine Cl (Z = 17) = 1s 2 2s 2 2p 6 3s 2 3p 5 (b) Answer (b) F(9) It would be chemically similar to F(9) with configuration as 2 7 Electronic configuration of Fluorine is F (Z = 9) = 1s 2 2s 2 2p 5 Watch the video for more information.
2 8 18 6 35 Bohr model of Bromine (Br) 2 8 18 7 36 Bohr model of Krypton (Kr) 2 8 18 8 37 Bohr model of Rubidium (Rb) 2 8 18 8 1 38 Bohr model of Strontium (Sr) 2 8 18 8 2 39 Bohr model of Yttrium (Y) 2 8 18 9 2 40 Bohr model of Zirconium (Zr) 2 8 18 10 2 41 Bohr model of Niobium (Nb) 2 8 18 12 1 42 Bohr model of Molybdenum (Mo) 2 8 18 13 1 43.
Periodic Table of the Elements The Physics Hypertextbook
OverviewHistorySubshellsNumber of electrons in each shellSubshell energies and filling orderList of elements with electrons per shellSee also In chemistry and atomic physics an electron shell 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 The shells correspond to the principal quantum numbers (n = 1 2 3 4 ) or are labeled alphabetically with the letters used in Xray notation (K L M) In chemistry and atomic physics an electron shell 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 The shells correspond to the principal quantum numbers (n = 1 2 3 4 ) or are labeled alphabetically with the letters used in Xray notation (K L M) Text under.
What is the element with the electron arrangement 2,8,7
Bromine atoms have 35 electrons and the shell structure is 28187 The ground state electronic configuration of neutral bromine is [ Ar ] 3d10 4s2 4p5 and the term symbol of bromine is 2P3/2 Bromine description Bromine is the only liquid nonmetallic element It.
2.1 Electrons, Protons, Neutrons, and Atoms – Physical Geology
X=2 Y=2 87 Z=2882 which element belongs to 18th group? state Z is metal or non Metal?? also say any way to attend such questions 8751298.
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An atom has the electronic configuration as 2,8,18,7 a
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X=2 Y=2, 8,7 Z=2,8,8,2 which element belongs to 18th group
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This element is having a total of 2+8+18+7=35 electrons This is bromine It has an atomic mass of 80 amu It is a halogen and resembles to the element chlorine ( 17 Cl).