All three words can mean something like "soul", e.g., neshama in גלגול נשמות, and ruach in וַתְּחִי רוּחַ יַעֲקֹב אֲבִיהֶם (Bereshit 45:27). So, what is the difference?
Apparently the of last four, $\ce{Mg^2+}$ is closest in radius to $\ce{Li+}$. Is this true, and if so, why would a whole larger shell ($\ce{...
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