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प्रश्न
______ and ______ are called inner transition elements.
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उत्तर
Lanthanides and Actinides are called inner transition elements.
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संबंधित प्रश्न
In the Modern Periodic Table, which are the metals among the first ten elements?
Fill in the following blank with suitable word:
Group 17 elements are known as ...............
What is the usual number of valence electrons and valency of group 18 elements of the periodic table?
Name the type of elements which have two outermost shell incomplete.
Give the symbol and valency of the following element and radical.
Sodium
Give the symbol and valency of the following element and radical.
Hydrogen
Give the symbol and valency of the following element and radical.
Nitrogen [Nitride]
In the modern periodic table, the positions of 1 to 20 elements are shown here. Identify the elements A and B. Write their atomic number.
Spot the error:
There are 5 periods and 17 groups in the modern periodic table.
What is the general name of the last elements of the Periodic Table?
