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iheartfood Group Title

#1: How many valence electrons are in the outermost shell of all halogens? A. 1 B. 4 C. 7 D. 8 **my answer; C. 7 is that right?

  • 2 years ago
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  1. iheartfood Group Title
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    #2: Which of the following statements explains why the noble gases are so unreactive? A. They have one valence electron. B. They have two valence electrons. C. They have seven valence electrons. D. They have eight valence electrons. ***my answer: D. they have 8 valence electrons. is that right?

    • 2 years ago
  2. jim_thompson5910 Group Title
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    1C looks good

    • 2 years ago
  3. jim_thompson5910 Group Title
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    http://dl.clackamas.cc.or.us/ch104-06/valence_electrons.htm

    • 2 years ago
  4. iheartfood Group Title
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    kk :) what about 2?

    • 2 years ago
  5. jim_thompson5910 Group Title
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    and 2D looks good (using same page)

    • 2 years ago
  6. iheartfood Group Title
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    and #3: Calcium must lose two electrons to get a full outer shell. What is the name of the group to which calcium belongs? A. noble gas B. alkali metal C, alkaline earth metal D. halogen **my answer: C. alkaline earth metal is that right?

    • 2 years ago
  7. jim_thompson5910 Group Title
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    looks good

    • 2 years ago
  8. iheartfood Group Title
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    k thanks :)

    • 2 years ago
  9. iheartfood Group Title
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    k thanks :)

    • 2 years ago
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