Which elements have stable electron configurations WITHOUT forming ions HINT it

Which elements have stable electron configurations

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6.Which elements have stable electron configurations WITHOUT forming ions? HINT: it is only one group. 7.Does Cl or Cl-have a stable electron configuration? a. Be able to apply this logic to all main group elements (so not the transition metals, lanthanides, or actinides) 8.Is H a metal or a nonmetal?? 9.Draw the electron dot diagram for Na and Xe. Be able to do this for all main group elements. What do the dots represent? 10. Why do atoms gain and lose electrons? To achieve_____ 11. Don’t forget how to tell the difference between an ionic compound and a covalent compound (from your first quiz 11/16!) a.Which compound is made from more than one nonmetal? b.What type of compound results from the bonding of a metal and a nonmetal? 12. Don’t forget how to name ionic and covalent compounds (from the 11/16 quiz!) 13. What properties of ionic compounds did we learn? a. Melting point b.Are they brittle? c. structure (crystal lattice) d.Are they conductive in the solid form or not? How do we manipulate them so they conduct electricity? 14. Why does polarity arise? a.What is a polar covalent bond? b.Is H-H or H-F polar and why? c.H and F have a difference in ______? 15. The alkali metals form cations with a charge equal to what? What about alkaline earth?
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16. What two factors affect whether or not a molecule is polar? 17. What does the subscript in Na2O represent? 18. ADDED 11/28: Cl and Li combine to form a compound. What is this compound’s name? 19. ADDED 11/28: Write the formulas for dicarbon pentaphosphide and magnesium chloride.
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  • Fall '14
  • Atom, li, Chemical bond, NN

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