Mendeleev's Periodic Table

IMPORTANT

Mendeleev's Periodic Table: Overview

This topic describes the history of Mendeleev and his achievements. It also describes the Mendeleev's periodic table and the limitations of Mendeleev's classification in detail.

Important Questions on Mendeleev's Periodic Table

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Why 'Tellurium' is placed before 'Iodine' although atomic weight of 'Tellurium' is more than 'Iodine'.

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Iodine is placed before tellurium in the anomalous series.

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Name two anomalous series of element in the Mendeleev's periodic table.

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Antimony-Tellurium form an anomalous series in Mendeleev's periodic table.

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Anomalous pair in Mendeleev's periodic table is:

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What are Anomalous pairs of elements in Mendeleev's periodic table?

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Besides Beryllium, name the other two elements whose atomic weights were corrected by Mendeleev.

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The properties of beryllium are practically similar to magnesium and calcium.

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Atomic weight can be calculated as the product of equivalent weight and _____.

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How Mendeleev helped in the calculation of correct weight of beryllium?

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Eka boron has properties similar to that of _____.

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What are the properties of eka boron?

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Eka boron has similar properties as that of scandium.

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According to Mendeleev’s periodic law, properties of elements are the periodic function of their _____.

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Which of the following is/are achievement(s) of Mendeleev's periodic table?

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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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Eka-Boron is the name given by Dmitri Mendeleev to the then undiscovered element at the position of scandium in his periodic table.