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Periodic Classi...

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  • Question 1
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    Which of the following statements about Mendeleev's Periodic Table is incorrect?

  • Question 2
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    Which of the following element(s) was/were not known when Mendeleev gave his classification?

  • Question 3
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    Eka-aluminium forms chloride of the type :

  • Question 4
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    An element with electronic configuration $$2,\,8,\,2$$ belongs to which period and group?

  • Question 5
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    The groups from $$1^{st}$$ to $$7^{th}$$ of Mendeleev's periodic table were divided into ______ subgroups.

  • Question 6
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    Mendeleev used a Sanskrit numeral before the names of the predicted elements. What was the term used for it?

  • Question 7
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    Which of the following element has only one valence electron?

  • Question 8
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    The electronic configuration of calcium is $$2,\,8,\,8,\,2$$. Find the valency of the element.

  • Question 9
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    Which of the following elements will form an acidic oxide?

  • Question 10
    1 / -0

    Carbon : Non-metal : : Germanium : 

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