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anonymous

  • one year ago

What are two pairs of elements that are not arranged by increasing atomic mass when arranged by increasing atomic number.

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  1. anonymous
    • one year ago
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    whats the modern atomic law too?

  2. shreehari499
    • one year ago
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    Hi! @dahomie ! Modern atomic theory is also called Bohr's Thory. It states that the electrons are arranged in concentric circular orbits around the nucleus.

  3. shreehari499
    • one year ago
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    For the first qn, did u mean an example?

  4. anonymous
    • one year ago
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    yes I believe the answer is Cobalt and Nickel; Lawrencium and Rutherfordium thx for youre help too @shreehari499 !!!

  5. shreehari499
    • one year ago
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    Hmm...yeah..anytime!

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