B_ModernModel - Cl Na + Sodium metal Chlorine gas 11e 11p +...

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1 Review of the Modern Model of the Atom & Chemical Bonding B Nucleus Approximately 10 –14 m Neutron, n 0 (no charge) Proton, p + (positive charge) Approximately 10 –10 m Nucleus Electrons, e (negative charge) A Atom The Modern Model of the Atom The Modern Model of the Atom Interpreting an Element Box on the Periodic Table Atomic Number (Z = # protons) Average Atomic Mass (amu or g/mol)
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2 Atoms, Ions, and Compounds NaCl crystal • There are no molecules of NaCl. • The formula unit NaCl is the smallest ratio of Na+ and Cl - ions
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Unformatted text preview: Cl Na + Sodium metal Chlorine gas 11e 11p + 12n Sodium atom (Na) Loses electron Chloride ion (Cl ) e 17p + 18n 17e Chlorine atom (Cl) 17p + 18n Gains electron 18e Sodium ion (Na + ) 10e 11p + 12n A The elements (lab view) C Electron transfer B The elements (atomic view) E The compound (lab view): sodium chloride crystal D The compound (atomic view): Na + and Cl in the crystal NaCl Elements sodium and chlorine reacting to form an ionic compound Dissolving Compounds...
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B_ModernModel - Cl Na + Sodium metal Chlorine gas 11e 11p +...

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