Classification of Elements and Periodicity in Properties
Odisha Board · Class 11 · Chemistry
Most important questions from Classification of Elements and Periodicity in Properties for Odisha Board Class 11 Chemistry board exam 2026. MCQs, short answer, and long answer questions with marks.
Interactive on Super Tutor
Studying Classification of Elements and Periodicity in Properties? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for important questions and more.
1,000+ Class 11 students started this chapter today
Sample Questions
Which group of elements are known as noble gases?
Show answer
Group 18
Group 18 elements are noble gases with completely filled outer electron shells, making them chemically inert.
What happens to atomic radius as you move from left to right across a period?
Show answer
Decreases
Atomic radius decreases from left to right across a period due to increasing nuclear charge and electron shielding.
Which scientist proposed the Law of Octaves?
Show answer
John Newlands
John Newlands proposed the Law of Octaves in 1865, noting that every eighth element has similar properties.
What is the maximum number of elements in the sixth period?
Show answer
32
The sixth period contains 32 elements, including the lanthanide series.
+57 more questions available
Practice AllFrequently Asked Questions
What are the important topics in Classification of Elements and Periodicity in Properties for Odisha Board Class 11 Chemistry?
How to score full marks in Classification of Elements and Periodicity in Properties — Odisha Board Class 11 Chemistry?
How many important questions are there in Classification of Elements and Periodicity in Properties?
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Classification of Elements and Periodicity in Properties
Syllabus
What topics to cover
Revision Notes
Key points for last-minute revision
Study Plan
Step-by-step plan to ace this chapter
Flashcards
Quick-fire cards for active recall
Formula Sheet
All formulas in one place
Chapter Summary
Understand the chapter at a glance
Practice Quiz
Test yourself with a quick quiz
Concept Maps
See how topics connect visually
NCERT Solutions
Every textbook question solved step by step
For serious students
Get the full Classification of Elements and Periodicity in Properties chapter — for free.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for Odisha Board Class 11 Chemistry.