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Flash Cards: Metals and Non-metals

This chapter focuses on the classification, properties, and reactivity of metals and non-metals.

Metals and Non-metals - Flash Cards

These flash cards cover important concepts from Metals and Non-metals in Science for Class 10 (Science).
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1/20

What is metallic lustre?

1/20

Metallic lustre is the shiny appearance of metals when they are in their pure state.

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2/20

Define malleability.

2/20

Malleability is the ability of a metal to be beaten into thin sheets. Gold and silver are the most malleable metals.

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3/20

What does ductility mean?

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3/20

Ductility is the ability of a metal to be drawn into thin wires. Gold is the most ductile metal.

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4/20

What are sonorous metals?

4/20

Sonorous metals are those which produce sound when struck. Examples include copper and brass, which are used in bells.

5/20

List one physical property of non-metals.

5/20

Most non-metals are not lustrous and are poor conductors of heat and electricity.

6/20

What happens when a metal reacts with acids?

6/20

Metals react with acids to produce a salt and hydrogen gas.

7/20

What are amphoteric oxides?

7/20

Amphoteric oxides can react with both acids and bases to form salts and water. Examples: aluminium oxide and zinc oxide.

8/20

What is the reactivity series?

8/20

The reactivity series is a list of metals arranged in order of decreasing reactivity, from potassium to gold.

9/20

Explain what occurs when magnesium is burnt in air.

9/20

Magnesium burns with a bright white flame to form magnesium oxide.

10/20

What is corrosion?

10/20

Corrosion is the process of deterioration of metals due to chemical reactions, often leading to rust in iron.

11/20

Name a method to prevent rusting.

11/20

Rusting can be prevented by painting, galvanizing, or applying oil to iron.

12/20

What is an ore?

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An ore is a naturally occurring solid material from which a metal can be extracted profitably.

13/20

Describe the conduction property of metals.

13/20

Metals are good conductors of heat and electricity due to the presence of free-moving electrons.

14/20

How do metals generally react with water?

14/20

Metals react with water to produce a metal hydroxide and hydrogen gas, though this differs by reactivity.

15/20

What do you observe when metals react with dilute hydrochloric acid?

15/20

Bubbles of hydrogen gas are produced, indicating a reaction as the metal displaces hydrogen from the acid.

16/20

What is the only liquid non-metal at room temperature?

16/20

Bromine is the only non-metal that is liquid at room temperature.

17/20

What is the defining characteristic of metals?

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Metals are typically solid at room temperature (except mercury) and exhibit properties like malleability and ductility.

18/20

What is the outcome when sodium reacts with water?

18/20

Sodium reacts vigorously with water to produce sodium hydroxide and hydrogen gas.

19/20

Give an example of an exception in metal classification.

19/20

Mercury is a metal that is liquid at room temperature, unlike other metals.

20/20

What are non-metals known for in terms of physical properties?

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Non-metals can be gases (like oxygen) or solids (like sulfur) and do not have metallic lustre or conductivity.

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