Genesis of Periodic Classification

IMPORTANT

Genesis of Periodic Classification: Overview

This topic covers concepts, such as Demerits of Mendeleev's Periodic Table, Lothar-Meyer's Atomic Volume Curve, Similar Elements Separated in Mendeleev's Periodic Table, Merits of Mendeleev's Periodic Table, Mendeleev's Periodic Table, etc.

Important Questions on Genesis of Periodic Classification

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In Mendeleev's periodic table, similar elements like _____ and mercury are placed at different places.(silver/copper)

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Write any one limitation of Mandelevee's periodic table.

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Both _____ and germanium were unknown at the time Mendeleev published his Periodic Table.

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Mendeleev left the gap under aluminium and a gap under silicon and called these elements Eka-Aluminium and Eka-Silicon.

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Which of the following element is unknown at the time Mendeleev published his Periodic Table?

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The spectrum obtained in Moseley's experiment is known as _____.

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Compare the Lothar Meyer's periodic arrangement with the Moseley's experiment.

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Express the experiment carried out by Moseley.

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Mendeleev left the gap under aluminium and a gap under silicon having atomic weights 68 and 72 respectively. These elements respectively are 

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In Mendeleev's periodic table, iodine with lower atomic weight than that of tellurium was placed along with 

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Which of the following statements is incorrect?

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Which of the following statements is incorrect?

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Dissimilar elements have been placed in the same group in the Mendeleev's periodic table ? Comment.

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_____ was placed in the group of halogens in Mendeleev's periodic table? (Manganese / Magnesium/ Nitrogen)

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What is the demerit of Mendeleev's periodic table with respect to the arrangement of elements ?

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Dissimilar elements have been placed in the same group in the Mendeleev's periodic table.

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Some similar elements like copper and _____ are separated in Mendeleev's periodic table.

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Some similar elements like copper and mercury are separated in Mendeleev's periodic table.