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Metals and Non Metals — Flashcards

ICSE · Class 7 · Chemistry

35 flashcards for Metals and Non Metals (ICSE Class 7 Chemistry) to test yourself on key terms and facts. Sample: "What is the most abundant metal"

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35 Flashcards·
Occurrence of metalsOccurrence of non-metalsUses of metalsGeneral propertiesPhysical properties
Card 1Occurrence of metals

What is the most abundant metal in the earth's crust?

Answer

The most abundant metal in the earth's crust is aluminium. It is silvery white, malleable, ductile, and a good conductor of heat and electricity.

Card 2Occurrence of non-metals

What is the most abundant non-metal in the earth's crust?

Answer

The most abundant non-metal in the earth's crust is oxygen.

Card 3Occurrence of non-metals

Which non-metals are present in free state in air?

Answer

Nitrogen and oxygen are present in free state in air. Nitrogen forms 78% of air in free state and is the most abundant element of air.

Card 4Occurrence of metals

Why is gold found in free state in nature?

Answer

Gold is found in free state because it is not reactive. Gold and platinum are exclusively found in free state.

Card 5Uses of metals

Why is silver not used for making electric wires?

Answer

Silver is not used for making electric wires because it is a costly metal, even though it is the best conductor of heat and electricity.

Card 6General properties

What are the general properties of metals?

Answer

Metals are usually lustrous, hard, dense, sonorous, malleable, ductile, and good conductors of heat and electricity. They generally have high melting and boiling points and high tensile strength.

Card 7General properties

What are the general properties of non-metals?

Answer

Non-metals are usually dull, brittle, low in density, poor conductors of heat and electricity, and not malleable or ductile. They generally have low melting and boiling points.

Card 8Physical properties

What is ductility? Give one example.

Answer

Ductility is the property of a material that allows it to be drawn into thin wires. Gold is the most ductile metal.

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Frequently Asked Questions

What are the important topics in Metals and Non Metals for ICSE Class 7 Chemistry?
Key topics in Metals and Non Metals include Classification of Elements, General Properties of Metals and Non-Metals, Important Uses of Metals, Important Uses of Non-Metals and Metalloids. Study these first, then practise questions on each for Class 7 exams.
How many flashcards are available for Metals and Non Metals?
There are 35 flashcards for Metals and Non Metals covering key definitions, facts and ideas. A few sample cards are shown on this page.
How should I revise Metals and Non Metals for Class 7 exams?
Learn the core ideas first, then work through the 54 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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