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In the Mendeleev's periodic table, elements are arranged in the increasing order of their -

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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
Mendeleev's periodic law states that the properties of elements are a periodic function of their
MEDIUM
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
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
The atomic number of the element unnilennium is :
MEDIUM
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 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

Identify the incorrect match.

Name IUPAC Official Name
(a) Unnilunium (i) Mendelevium
(b) Unniltrium (ii) Lawrencium
(c) Unnilhexium (iii) Seaborgium
(d) Unununium (iv) Darmstadtium
MEDIUM
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
Which one of the following element is represented as Eka-Silicon in Mendeleev's periodic table?
HARD
Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table
Match the following
List – I List – II
A) Rubedium I) Germanium
B) Platinum II) Radio active chalcogen
C) Ekasilicon III) S-block element
D) Polonium IV) Atomic number 78
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table
The number of elements known when Mendeleev presented periodic table 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
Periodic classification of elements based on atomic volume curve was given by
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table
The atomic weights of "Be" and "In" were corrected by Mendeleev using the formula
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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
The law of triad is applicable to a group of
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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
The maximum number of valence electrons possible for atoms in the second period of the periodic table is:
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Brief History of The Development of Periodic Table
The most significant contribution towards the development of periodic table was made 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