anonymous
  • anonymous
#1: Which element has the same number of energy levels as bromine (Br) and the same number of valence electrons as barium (Ba)? A. potassium (K) B,. beryllium (Be) c. cadmium (Cd) D. calcium (Ca) ***not too sure on this one... is it D. calcium (Ca) ??
Chemistry
chestercat
  • chestercat
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anonymous
  • anonymous
#2: Which element has six energy levels? A. rubidium (Rb) B. cesium (Cs) C. potassium (K) D. sodium (Na) ***my answer: B. cesium (Cs) is that right??
anonymous
  • anonymous
#3: Which of the following elements has the most properties in common with beryllium (Be)? A. calcium (Ca) B. osmium (Os) C. lithium (Li) D. chromium (Cr) ***my answer: A. calcium (Ca) is that right??
jim_thompson5910
  • jim_thompson5910
1D looks good

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anonymous
  • anonymous
kk what about 2 and 3?
jim_thompson5910
  • jim_thompson5910
2 looks good
anonymous
  • anonymous
kk and 3?
jim_thompson5910
  • jim_thompson5910
so does 3, nice job
anonymous
  • anonymous
okay, thanks! :)

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