write the formulae of chlorides of Eka -silicon and Eka-aluminium ,the elements predicted by mendeleev.
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silicon sio2 aluminium Al2O3
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Eka-silicon is germanium (Ge). It lies in group4 of the Mendeleev's periodic table and thus, has a valency of 4. The formula of its chloride is GeCl4. Eka-aluminium is gallium (Ga). It lies in group3 of the Mendeleev's periodic table and thus, has a valency or 3. The formula of its chloride is GaCl3.
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