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प्रश्न
What are the merits of the modern periodic table of elements?
उत्तर
The merits of the Modern Periodic Table of Elements are as follows:
1. It is based on the atomic number of elements.
2. The modern periodic table clearly explains the reason behind elements showing similar properties in a group and dissimilar properties in different groups.
3. This also explains the reason for the periodicity in the properties of elements.
4. The modern periodic table explains the reason for a repetition in the properties of elements after 2,8,18 and 32 elements.
5. In the modern periodic table, there are no anomalies in the arrangement of elements.
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संबंधित प्रश्न
How does the tendency of elements to gain electrons change as we move from left to right in a period? State the reason of this change.
How would the tendency to gain electrons change on moving from left to right in a period of the periodic table?
What is the major characteristic of the first elements in the periods of the periodic table? What is the general name of such elements?
Explain why All the elements of a period have different chemical properties.
Name the scientist who stated the modern periodic law.
Name two elements in Alkali metals.
Name and state the following with reference to the elements of the first three periods of the periodic table.
A covalent compound formed by an element in period 2 and a halogen.
Give the symbol and valency of the following element and radical.
Bisulphite
Which of the following elements does not lose an electron easily?
Group 16 elements are collectively called as ______.
