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Periodic classification of elements based on atomic volume curve was given by

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Important Questions on Classification of Elements and Periodicity in Properties

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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table
The neutral oxide among the following is
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table

Identify the incorrect match.

Name IUPAC Official Name
(a) Unnilunium (i) Mendelevium
(b) Unniltrium (ii) Lawrencium
(c) Unnilhexium (iii) Seaborgium
(d) Unununium (iv) Darmstadtium
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table
Henry Moseley studied characteristic X-ray spectra of elements. The graph which represents his observation correctly is
Given v= Frequency of X-ray emitted
         Z= Atomic number
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table
The atomic number of the element unnilennium is :
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table
In which of the following options, the law of triad is applicable?
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table
Which one of the following statements for D.I. Mendeleev, is incorrect ?
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table

It is observed that characteristic X-ray spectra of elements show regularity. When frequency to the power 'n' i.e. vn of X-rays emitted is plotted against atomic number Z, the following graph is obtained.

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The value of 'n' is

 

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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table
Which of the following is a metalloid?
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table
Mendeleev's periodic law states that the properties of elements are a periodic function of their
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table
Which of the given atoms has the greatest electron affinity?
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table
Which one of the following element is represented as Eka-Silicon in Mendeleev's periodic table?
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table
In Mendeleev table, the triad of VIII group is
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table
Mendeleev's Periodic Table is upset by the fact that
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table
How many elements were known when Mendeleev presented the periodic table ?
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table
Which of the following element have maximum atomic volume?
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table
In Lother Meyer plot, the peaks are occupied by
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table
Mendeleev corrected the atomic weight of
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table
The atomic masses of Li and K are 7 and 39, respectively. According to law of triads the atomic mass of Na will be
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table
In the long form of periodic table, elements are arranged according to -
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table
The law of triad is applicable to a group of