Question
Write the drawbacks in Mendeleev’s periodic table that led to its modification.
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$NaHCO_3(s)$
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$Na_2CO_3(s)$
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$CO_2(g)$
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$H_2O(g)$
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$\ \ \ \ \Delta_\text{f}\text{H}^\circ\$\text{kJ mol}^{-1})$
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$-947.7$
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$-1130.9$
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$-393.51$
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$-241.82$
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$\ \ \ \ \ \text{S}^\circ_\text{m}\$\text{J mol}^{-1})$
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$102.1$
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$136$
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$188.83$
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$213.74$
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