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Classification Of Elements And Periodicity In Properties

Question
CBSEENCH11005471
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What are periodic properties of the elements? Name a few important periodic properties.

Solution

Periodic properties are those properties which get repeated after a regular interval in a regular manner. The important periodic properties are:
1. Atomic and ionic radius
2. Ionization enthalpy
3. Electron gain enthalpy
4. Electronegativity
5. Melting points
6. Density
7. Valency.

Some More Questions From Classification of Elements and Periodicity in Properties Chapter

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Give the ‘liquid elements’ in the periodic table.

What is valency of an element?

Gallium was named by Mendeleev as

What are magic numbers?

Which property is the basis of long form of periodic table?

How many elements are placed in each period of the p-block?

What is the number of groups in: (i) p-block  (ii) d-block?

How many elements are present in:
(i) second period    
(ii) fourth period    
(iii) sixth period?

What is the name given to the s-block elements?

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