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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.
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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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0whats the modern atomic law too?

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

shreehari499
 one year ago
Best ResponseYou've already chosen the best response.2For the first qn, did u mean an example?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yes I believe the answer is Cobalt and Nickel; Lawrencium and Rutherfordium thx for youre help too @shreehari499 !!!

shreehari499
 one year ago
Best ResponseYou've already chosen the best response.2Hmm...yeah..anytime!
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