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प्रश्न
Explain why all the elements of a period have different chemical properties.
State the reason for the following observation:
All the elements in a period have different chemical properties.
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उत्तर
All the elements of a period have different chemical properties because the number of valence electrons for each varies.
संबंधित प्रश्न
Is it possible to have an element having atomic number 1.5 placed between hydrogen and helium?
Write a short note.
Structure of the modern periodic table.
State the modern periodic law.
Compare Modern Periodic Law with Mendeleev's Periodic Law.
Find the correlation:
Group 1 and 2 : s block : : group 13 and 18 : ______
Distinguish between:
Group 17 - Group 18
If an element X is placed in group 14, what will be the formula and the nature of bonding of its chloride?
Choose an element from period 3 of modern periodic table that matches the description given below in instance. Give a reason for your choice.
It has a similar structure to diamond.
Spot the error:
There are 5 periods and 17 groups in the modern periodic table.
Give reason for the following:
Inert gases do not form ion.
