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In sodium atom the screening is due to:-

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Important Questions on Classification of Elements and Periodicity in Properties

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Beta Question Bank for Medical: Chemistry>Chapter 12 - Classification of Elements and Periodicity in Properties>EXERCISE-I (Conceptual Questions)>Q 35
The correct order of size would be:-
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Beta Question Bank for Medical: Chemistry>Chapter 12 - Classification of Elements and Periodicity in Properties>EXERCISE-I (Conceptual Questions)>Q 36
Which of the following order of radii is correct:
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Beta Question Bank for Medical: Chemistry>Chapter 12 - Classification of Elements and Periodicity in Properties>EXERCISE-I (Conceptual Questions)>Q 39
Which of the following has largest radius?
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Beta Question Bank for Medical: Chemistry>Chapter 12 - Classification of Elements and Periodicity in Properties>EXERCISE-I (Conceptual Questions)>Q 41

In the lithium atom screening effect of valence shell electron is caused by-

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Beta Question Bank for Medical: Chemistry>Chapter 12 - Classification of Elements and Periodicity in Properties>EXERCISE-I (Conceptual Questions)>Q 45
In an anion:-
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Beta Question Bank for Medical: Chemistry>Chapter 12 - Classification of Elements and Periodicity in Properties>EXERCISE-I (Conceptual Questions)>Q 49
Spot the incorrect order of atomic radii:-
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Beta Question Bank for Medical: Chemistry>Chapter 12 - Classification of Elements and Periodicity in Properties>EXERCISE-I (Conceptual Questions)>Q 51
The decreasing order of size of ions is :-
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Beta Question Bank for Medical: Chemistry>Chapter 12 - Classification of Elements and Periodicity in Properties>EXERCISE-I (Conceptual Questions)>Q 53
The covalent and Van der Waal's radii of hydrogen, respectively are:-