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The symbol of element with atomic number Z=109 is

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Important Questions on Classification of Elements and Periodicity in Properties

EASY
Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Nomenclature of Elements in Periodic Table with Atomic Number Greater than 100
For the following Assertion and Reason, the correct option is:
Assertion: For hydrogenation reactions, the catalytic activity increases from Group 5 to Group 11 metals with maximum activity shown by Group 7-9 elements.
Reason: The reactants are most strongly adsorbed on group 7-9 elements.
EASY
Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Nomenclature of Elements in Periodic Table with Atomic Number Greater than 100
The IUPAC symbol for the element with atomic number 119 would be:
EASY
Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Nomenclature of Elements in Periodic Table with Atomic Number Greater than 100
The element Z=114 has been discovered recently. It will belong to which of the following family/group and electronic configuration?
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Nomenclature of Elements in Periodic Table with Atomic Number Greater than 100
The IUPAC name of an element is Unbinilium. Its atomic number is
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Nomenclature of Elements in Periodic Table with Atomic Number Greater than 100
The IUPAC nomenclature of an element with electronic configuration Rn5f146d17s2 is:
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Nomenclature of Elements in Periodic Table with Atomic Number Greater than 100
The elements with atomic numbers 101 and 104 belong to, respectively:
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Nomenclature of Elements in Periodic Table with Atomic Number Greater than 100
The 71st electron of an element X with an atomic number of 71 enters the orbital:
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Nomenclature of Elements in Periodic Table with Atomic Number Greater than 100
The last element of the p- block in 6th period is represented by the outermost electronic configuration:
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Nomenclature of Elements in Periodic Table with Atomic Number Greater than 100
What will be the IUPAC symbol and name for the element with atomic number 123 ?
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Nomenclature of Elements in Periodic Table with Atomic Number Greater than 100
The atomic number of Unnilumium is ______.
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Nomenclature of Elements in Periodic Table with Atomic Number Greater than 100
The set that contains atomic numbers of only transition elements, is :
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Nomenclature of Elements in Periodic Table with Atomic Number Greater than 100
What would be the IUPAC name and symbol for the element with atomic number 124
MEDIUM
Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Nomenclature of Elements in Periodic Table with Atomic Number Greater than 100

Consider the following radioactive decays

I. U92⟶-α90Th and

II. 90Th⟶-αRa88

In which case group of parent and daughter elements remains unchanged.

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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Nomenclature of Elements in Periodic Table with Atomic Number Greater than 100
The electronic configurations of bivalent europium and trivalent cerium are:
(atomic number: Xe=54 , Ce=58 , Eu=63)
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Nomenclature of Elements in Periodic Table with Atomic Number Greater than 100
Which of the following does not exist?
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Nomenclature of Elements in Periodic Table with Atomic Number Greater than 100
Which among the following elements is a metalloid?
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Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Nomenclature of Elements in Periodic Table with Atomic Number Greater than 100
Decrease in ionic size in a period is observed in
EASY
Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Nomenclature of Elements in Periodic Table with Atomic Number Greater than 100
The electronic configurations of Eu (Atomic no. 63), Gd (Atomic no. 64) and Tb (Atomic no. 65) are:
EASY
Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Nomenclature of Elements in Periodic Table with Atomic Number Greater than 100
The IUPAC name of an element with atomic number 119 is
HARD
Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Nomenclature of Elements in Periodic Table with Atomic Number Greater than 100
What would be the IUPAC name for the element with the atomic number 120?