MEDIUM
10th CBSE
IMPORTANT
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Name the electronic shell in which electrons enter the third period.  (L/ M/ N)

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Important Questions on Periodic Classification of Elements

MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 5 - Periodic Classification of Elements>Exercise 1>Q 15
How does the valency of elements with respect to hydrogen change across a period?
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 5 - Periodic Classification of Elements>Exercise 1>Q 16
How does the atomic size vary on moving down a group?
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 5 - Periodic Classification of Elements>Exercise 1>Q 17
What is the common valency of elements in group 15?
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 5 - Periodic Classification of Elements>Exercise 1>Q 18
How do atomic radii vary across a period?
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 5 - Periodic Classification of Elements>Exercise 1>Q 19
How does electronegativity of elements change on moving from left to right in a period?
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 5 - Periodic Classification of Elements>Exercise 1>Q 20
How does metallic character of elements vary on moving down a group?
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 5 - Periodic Classification of Elements>Exercise 1>Q 21
What happens to the metallic character of elements when one moves from left to right in a period?
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 5 - Periodic Classification of Elements>Exercise 1>Q 22
Which property is mainly responsible for imparting metallic character to an element?