anonymous
  • anonymous
#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?
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
#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?
jim_thompson5910
  • jim_thompson5910
1C looks good
jim_thompson5910
  • jim_thompson5910
http://dl.clackamas.cc.or.us/ch104-06/valence_electrons.htm

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anonymous
  • anonymous
kk :) what about 2?
jim_thompson5910
  • jim_thompson5910
and 2D looks good (using same page)
anonymous
  • anonymous
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?
jim_thompson5910
  • jim_thompson5910
looks good
anonymous
  • anonymous
k thanks :)
anonymous
  • anonymous
k thanks :)

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