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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
Consider the following elements:
Na, Ca, Al, K, Mg, Li
Which of these elements belong to the same group of the periodic table?
What is a period in a periodic table?
What are the periods in a periodic table? Give two characteristics of each.
Name the cation and the anion in the salt – calcium sulphate
How were elements arranged in the long form of the periodic table or the Modern Periodic Table?
The groups 1 and 2 constitute the _______ block.
State any five features of modern periodic table.
What is the symbol of the element Tungsten?
An element X which is a yellow solid at room temperature shows catenation and allotropy. X forms two oxides which are also formed during the thermal decomposition of ferrous sulphate crystals and are the major air pollutants.
- Identify the element X
- Write the electronic configuration of X
- Write the balanced chemical equation for the thermal decomposition of ferrous sulphate crystals?
- What would be the nature (acidic/ basic) of oxides formed?
- Locate the position of the element in the Modern Periodic Table.
What is the general name of the last elements of the Periodic Table?
