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10th Tamil Nadu Board
IMPORTANT
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The longest period in the periodic table is-

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Important Questions on Periodic Classification of Elements

EASY
10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Periodic Classification of Elements>Exercise>Q 9
Which of the following form strongest metallic bond?
EASY
10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Periodic Classification of Elements>Exercise>Q 10
The S.I unit of ionisation energy is-
EASY
10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Periodic Classification of Elements>Exercise>Q 11
During the refining of an impure metal by electrolysis, the pure metal is deposited:
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Periodic Classification of Elements>Exercise>Q 12
Which of the following is/are oxide ore (s)?
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10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Periodic Classification of Elements>Exercise>Q 13
What is the need for the classification of elements?
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10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Periodic Classification of Elements>Exercise>Q 14
What are the advantages of classifying elements in the periodic table?
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10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Periodic Classification of Elements>Exercise>Q 15
Classify the given elements as metals, non-Metals and metalloids.
Na, O, As, Cl, W and Te 
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10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 8 - Periodic Classification of Elements>Exercise>Q 16
How do you appreciate the role of electronic configuration of the atoms of elements in the periodic classification?