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Lewis Electron Dot Diagram For The Sodium Atom middleschoolchemistry multimedia chapter4 lesson6The Lewis dot structure for water shows the electron from hydrogen and an electron from oxygen being shared in a covalent bond The other four valence electrons in oxygen are in pairs at the bottom Lewis Electron Dot Diagram For The Sodium Atom oxidation state sometimes referred to as oxidation number describes degree of oxidation loss of electrons of an atom in a chemical compound Conceptually the oxidation state which may be positive negative or zero is the hypothetical charge that an atom would have if all bonds to atoms of different elements were 100 ionic with no covalent component middleschoolchemistry lessonplans chapter4 lesson3Key Concepts The electrons surrounding an atom are located in regions around the nucleus called energy levels An energy level represents the 3 dimensional space surrounding the nucleus where electrons are most likely to be Lewis Electron Dot Di...