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aw History Bookmarks People Window Help OD RA POs0% ODU Sun 10 Ex LED Home Page - CHEM10 xD ACFI385MidTermStudy X a Mai - D1 BLAKE@stude x 0 Course Home MasteringChemistry: post class hom Ch3b e https:// session.masteringchemistry.com/myct/itemView?offset=next&assignmentPamlD;=91990661 hom Ch3D Electron Configurations and the Periodic Table a previous 4 of arrange the elements in decreasing order of the number of valence electrons. Rank from most to least number of valence electrons. To rank items as equivalentoverlap them. Hints Reset sBPMg KFArcin Bel NelDC Lil Ba Most valence electrons Least valence electrons The correct ranking cannot be determined. Submit SODS g® I saw PLT38 1 EOS 7DOTI OOO Ooo BHBOGO

Explanation / Answer

valency electrons are electrons present in outermost shell

I : 15 electrons < Ne : 8 electrons = Ar : 8 electrons < F: 7 electrons = Cl : 7 electrons < S: 6 electrons < P : 5 electrons = N: 5 electrons < C: 4 electrons < B : 3 electrons < Mg : 2 electrons = Be : 2 electrons = Ba : 2 electrons < Li : 1 electrons = K : 1 electrons

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