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Metals and Non-metals

Gujarat Board · Class 10 · Science

Quick revision notes for Metals and Non-metals — Gujarat Board Class 10 Science. Key concepts, formulas, and definitions for last-minute revision.

45 questions32 flashcards5 concepts

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A comparative diagram illustrating key physical properties of metals such as metallic lustre, hardness, malleability, ductility, and conductivity (heat and electricity). Show examples of metals exhibi
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Key Topics to Revise

1

Physical Properties of Metals and Non-metals

  • Metals have a shining surface called metallic lustre (visible after rubbing with sandpaper).
  • Metals are generally hard (exception: sodium and potassium are soft, can be cut with a knife).
  • Malleability: Metals can be beaten into thin sheets. Gold and silver are the most malleable metals.
2

Chemical Properties of Metals

  • Metals react with oxygen to form metal oxides: Metal + Oxygen → Metal Oxide.
  • Most metal oxides are basic in nature.
  • Amphoteric oxides (Al₂O₃, ZnO) react with both acids AND bases.
3

How Metals and Non-metals React – Ionic Compounds

  • Metals tend to LOSE electrons to form positive ions (cations). E.g., Na → Na⁺ + e⁻
  • Non-metals tend to GAIN electrons to form negative ions (anions). E.g., Cl + e⁻ → Cl⁻
  • The driving force for this electron transfer is the tendency to achieve a stable noble gas configuration (completely filled outermost shell).
4

Occurrence and Extraction of Metals

  • Minerals: Elements or compounds occurring naturally in Earth's crust.
  • Ores: Minerals from which a metal can be profitably extracted.
  • Gangue: Impurities (soil, sand, etc.) mixed with the ore. Must be removed before extraction.

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Full Notes

Key Concepts

Metals possess distinct physical characteristicsNonThe reactivity series is a listWhen metals burn in oxygenMetals react with water to produce

Frequently Asked Questions

What are the important topics in Metals and Non-metals for Gujarat Board Class 10 Science?
Key topics in Metals and Non-metals include Metals and Non-metals – Complete Chapter Overview, Metals and Non-metals Classification and Properties, Metals and Non-metals Classification. These are the concepts Gujarat Board Class 10 examiners draw on most — study them first, then practise related questions.
How to score full marks in Metals and Non-metals — Gujarat 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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