QUESTION IMAGE
Question
which of the following could form an ionic bond with an anion?
hg₂²+
no₂⁻
so₃²-
ar
Brief Explanations
离子键是由阳离子和阴离子之间通过静电作用形成的化学键。$\ce{Hg^{2+}_{2}}$是阳离子,能够与阴离子形成离子键;$\ce{NO^{-}_{2}}$和$\ce{SO^{2-}_{3}}$本身是阴离子,不能再与阴离子形成离子键;$\ce{Ar}$是稀有气体原子,具有稳定的电子结构,通常不参与形成离子键。
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$\boldsymbol{\ce{Hg^{2+}_{2}}}$