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Metals and Non-metals — Revision Notes

Gujarat Board · Class 10 · Science

Metals and Non-metals revision notes for Gujarat Board Class 10 Science: 4 topics in quick points. Part of the Gujarat Board Class 10 Science syllabus.

45 questions32 flashcards2 formulas & key relations5 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 Physical Properties of Metals and Non-metals, Chemical Properties of Metals, How Metals and Non-metals React – Ionic Compounds, Occurrence and Extraction of Metals. Study these first, then practise questions on each for the Gujarat Board Class 10 board exam.
How should I revise Metals and Non-metals for the Gujarat Board Class 10 board exam?
Learn the core ideas first, then work through the 45 practice questions on Metals and Non-metals. Revise 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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