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प्रश्न
______ and ______ are called inner transition elements.
उत्तर
Lanthanides and Actinides are called inner transition elements.
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संबंधित प्रश्न
What is the name of those elements which divide metals and non-metals in the periodic table?
Which element has the electronic configuration 2, 8, 2?
What is a period in a periodic table?
What are the advantages of the periodic table?
Name the type of elements which have two outermost shell incomplete.
State the main aim of classifying elements. Which is the more fundamental property of elements that is used in the development of Modern Periodic Table? Name and state the law based on this fundamental property. On which side of the periodic table one can find metals, non-metals and metalloids?
Give the symbol and valency of the following element and radical.
Potassium
The modern periodic table shows the molecular masses of the elements in each frame.
Three elements A, B and C have 3, 4 and 2 electrons respectively in their outermost shell. Give the group number to which they belong in the Modern Periodic Table. Also, give their valencies.
An element ‘M' has 50% of the electrons filled in the 3rd shell as in the 2nd shell. The atomic number of ‘M’ is ______.
