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10th CBSE
IMPORTANT
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How many groups are present in the Modern Periodic Table?

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Important Questions on Periodic Classification of Elements

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10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 5 - Periodic Classification of Elements>Exercise 1>Q 12
Which periods are regarded as short periods in the Periodic Table?
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10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 5 - Periodic Classification of Elements>Exercise 1>Q 13
How many elements are present in the sixth period in the Modern Periodic Table?
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10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 5 - Periodic Classification of Elements>Exercise 1>Q 14
Name the electronic shell in which electrons enter the third period.  (L/ M/ N)
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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?
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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?
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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?
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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?
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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?