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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 ? [NCERT Exemplar Problems] (a) Germanium (b) Chlorine (c) Oxygen (d) Silicon

Harshit Singh , 4 Years ago
Grade 12th pass
anser 1 Answers
Pawan Prajapati

Last Activity: 4 Years ago

Answer: a
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