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iheartfood

  • 2 years ago

#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) ??

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  1. iheartfood
    • 2 years ago
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    #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??

  2. iheartfood
    • 2 years ago
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    #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??

  3. jim_thompson5910
    • 2 years ago
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    1D looks good

  4. iheartfood
    • 2 years ago
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    kk what about 2 and 3?

  5. jim_thompson5910
    • 2 years ago
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    2 looks good

  6. iheartfood
    • 2 years ago
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    kk and 3?

  7. jim_thompson5910
    • 2 years ago
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    so does 3, nice job

  8. iheartfood
    • 2 years ago
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    okay, thanks! :)

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