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Question

In Mendeleev's periodic table, gaps were left for the elements to be discovered later. Which of the following elements found a place in the periodic table later?

A
Germanium
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B
Chlorine
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C
Oxygen
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D
Silicon
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Solution

The correct option is A Germanium
Chlorine, oxygen and silicon were included in Mendeleev's periodic table. Germanium was discovered later which fit into the empty spaces left by Mendeleev and matched to the expected properties.

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