Which element is named after the name of a planet ? (a) \( \mathrm{Hg} \) (b) Po (c) \( \mathrm{...

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Which element is named after the name of a planet ?
(a) \( \mathrm{Hg} \)
(b) Po
(c) \( \mathrm{Pu} \)
(d) \( \mathrm{Ra} \)
\( \mathrm{P} \)
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