本题目来源于试卷: Quantum Mechanics of Atoms，类别为 IB物理学
[问答题]
Why do chlorine and iodine exhi3bq hlbhy.*80e gi(k vb+n/9 ny/jpu rjit similar properties?
参考答案:
Both chlorine and iodine are in the same column of the periodic table (Group VII). Thus, both of their outer electron configurations are $p^5$ (5 electrons in their outer p shell), which makes them both halogens. Halogens lack one electron from a filled shell, so both of their outer electron orbit shapes are similar and can readily accept an additional electron from another atom. This makes their chemical reaction properties extremely similar.
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