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Periodic Classification of Element

Maharashtra Board · Class 10 · Science

Step-by-step guide to study Periodic Classification of Element in Maharashtra Board Class 10 Science. Topics to cover, practice strategy, and time allocation.

45 questions42 flashcards5 concepts

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Study Plan

1
Day 1–2

Learn the Theory

Read the textbook chapter carefully. Note down definitions, formulas, and key concepts.

2
Day 3

Practice Problems

Solve textbook exercises and additional practice questions. There are 45 questions available for this chapter.

3
Day 4

Revise & Test

Revise key formulas and concepts without looking at notes. Take a practice quiz to test your understanding. Mark weak areas for re-revision.

4
Day 7

Spaced Revision

Revisit Periodic Classification of Element after a week. Use flashcards for quick recall. Solve previous year questions from this chapter.

What to Focus On

  • Elements were first grouped as metals and nonmetals.
  • Metalloids were later identified as a separate class.
  • Today 118 elements are known.

  • A triad contains three elements with similar chemical properties.
  • The middle atomic mass is approximately the mean of the first and third.
  • Formula: Mean = (a+c)/2.

  • Elements were arranged by increasing atomic mass.
  • Every eighth element showed similarity with the first.
  • The law worked only up to calcium.

Common Mistakes to Avoid

Atomic mass is the most important basis for the modern periodic table.

All elements can be placed correctly in Mendeleev's periodic table without any difficulty.

Newlands' Law of Octaves works for every element and every period.

Memory Tips

Dobereiner's triads

Mean atomic mass in a triad

Limit of Dobereiner's triads

Newlands' Law of Octaves

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Frequently Asked Questions

What are the important topics in Periodic Classification of Element for Maharashtra Board Class 10 Science?
Periodic Classification of Element covers several key topics that are frequently asked in Maharashtra Board Class 10 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Periodic Classification of Element — Maharashtra Board Class 10 Science?
Understand the core concepts first, then work through the 45 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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