本题目来源于试卷: Quantum Mechanics of Atoms，类别为 IB物理学
[问答题]
Explain why potassium aybu4ps l*g z-d ie-a/7nd sodium exhibit similar pgc0((mjqs+d hmi79 ck-x vi.d roperties.
参考答案:
Both sodium and potassium are in the same column of the periodic table (Group I). Thus, both of their outer electron configurations are $s^1$ (1 electron in their outer s shell), which makes them both alkali metals. Alkali metals have one lone electron in their outermost shell, so both of their outer electron orbit shapes are similar and they can readily share this electron with another atom (especially since this outermost electron spends a considerable amount of time very far away from the nucleus). This makes their chemical reaction properties extremely similar.
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