Skip to main content
Super TutorResources
Chapter 8 of 16
QuestionsNotesFlashcardsSummaryFormulasQuizConceptsSyllabusPlan
Syllabus

Elements of Group 1 and 2

Maharashtra Board · Class 11 · Chemistry

Complete topic list for Elements of Group 1 and 2 in Maharashtra Board Class 11 Chemistry. Key concepts, sub-topics, and what to focus on for board exams.

45 questions24 flashcards5 concepts

Interactive on Super Tutor

Studying Elements of Group 1 and 2? Get the full interactive chapter.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for syllabus and more.

Try Super Tutor — Free

1,000+ Class 11 students started this chapter today

4 Topics · Maharashtra Board Class 11 Chemistry

Topics in Elements of Group 1 and 2

1

8.1 Hydrogen - The Unique Element

  • Hydrogen has the simplest atomic structure with one proton and one electron
  • Electronic configuration: 1s¹ (similar to both Group 1: ns¹ and Group 17: ns²np⁵)
  • Three isotopes: Protium (¹H), Deuterium (²H or D), and Tritium (³H or T)
2

8.2 Group 1 Elements - Alkali Metals

  • Elements: Li, Na, K, Rb, Cs, Fr (Fr is radioactive)
  • Electronic configuration: [noble gas] ns¹
  • Most electropositive elements with lowest ionization enthalpies
3

8.3 Group 2 Elements - Alkaline Earth Metals

  • Elements: Be, Mg, Ca, Sr, Ba, Ra (Ra is radioactive)
  • Electronic configuration: [noble gas] ns²
  • Form divalent cations (M²⁺) with inert gas configuration
4

8.4 Diagonal Relationship

  • Li resembles Mg (diagonal relationship across periods 2-3)
  • Be resembles Al (diagonal relationship across periods 2-3)
  • Due to similar charge/size ratios and polarizing power

Key Concepts

Group 1 elements have ns¹ configurationHydrogen has three isotopesDown both groupsBoth groups are highly reactive dueLi resembles Mg

Frequently Asked Questions

What are the important topics in Elements of Group 1 and 2 for Maharashtra Board Class 11 Chemistry?
Elements of Group 1 and 2 covers several key topics that are frequently asked in Maharashtra Board Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Elements of Group 1 and 2 — Maharashtra Board Class 11 Chemistry?
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.

More resources for Elements of Group 1 and 2

All 16 chapters — Maharashtra Board Class 11 Chemistry Syllabus

For serious students

Get the full Elements of Group 1 and 2 chapter — for free.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for Maharashtra Board Class 11 Chemistry.

Try Super Tutor Free
Try the full chapter — Free