Who knows one hundred fifty?
Please cite/link your sources, if possible. At some point at least twenty-four hours from now, I will:
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Answer
150 perakim in Tehillim
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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