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13 - CARBON- An Important Element. ( 9TH CLASS - STATE )

 An Element :

A substance which cannot be broken down into simple substances by any

chemical reaction is called an element.

Types of elements :

Metals, non-metals and metalloids are the different types of elements.

Carbon :

 Carbon is a non-metallic element.

 Carbon is the main constituent of all plant and animal products.

 In nature, it is found in the free state and also in compounds.

 On complete combustion of any organic compound, carbon dioxide and

water are formed.

1. Symbol of carbon – C 2. Atomic number – 6

3. Atomic mass – 12 4. Electron configuration – 2,4

5. Valency – 4 6. Non-metallic element

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