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प्रश्न
In Mendeléev’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
विकल्प
Germanium
Chlorine
Oxygen
Silicon
उत्तर
Germanium
Explanation -
Out of the given options, only germanium was found later.
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संबंधित प्रश्न
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