maddex12 maddex12

24-10-2022
Chemistry

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5. RELATING IDEAS Why are the atomic masses of the elements not strictly in
increasing order in the periodic table, even though the properties of the
elements are similar? For example, by atomic mass, tellurium, Te, should be
in Group 17 and iodine, I, should be in Group 16, but grouping by properties
has Te in Group 16 and I in Group 17.

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