MEDIUM
Earn 100

List various uses of transition elements.

Important Questions on The Periodic Table

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The electron configuration of Fe3+ is (atomic number of Fe=26)
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To which group of the periodic table does an element having electronic configuration [Ar]3d54 s2 belong?
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The element with outer electronic configuration (n-1)d2ns2, where n=4, would belong to
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Mention similarity of properties of hydrogen with one property of Group II elements and two properties of Group 17 elements.
HARD
What would be the IUPAC name for the element with the atomic number 120?
EASY
To which group of the long periodic table do the halogen elements belong?
MEDIUM
Among the given configurations, identify the element which doesn't belong to the same family as the others?
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The IUPAC nomenclature of an element with electronic configuration Rn5f146d17s2 is:
MEDIUM

Consider the following radioactive decays

I. U92-α90Th and

II. 90Th-αRa88

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

EASY
What will be the IUPAC symbol and name for the element with atomic number 123 ?
EASY
Mention the dissimilarity of properties of hydrogen with one property of group 1 elements and two properties of group 17 elements.
EASY
The element Z=114 has been discovered recently. It will belong to which of the following family/group and electronic configuration?
EASY
Element "E" belongs to the period 4 and group 16 of the periodic table. The valence shell electron configuration of the element, which is just above "E" in the group is
EASY
Which of the following species is iso-electronic with Cr?
EASY
The IUPAC name of an element with atomic number 119 is
EASY
Which of the following represents the correct order of metallic character of the given elements?
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The correct order of the metallic character of the elements Be,Al,Na,K is
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Which of the following does not exist?
EASY
The IUPAC symbol for the element with atomic number 119 would be:
EASY
The 71st electron of an element X with an atomic number of 71 enters the orbital: