Question

Some lines on-

1. diamond
2. graphite
3. carbon

Answer 1

1. Diamond - is a naturally occurring crystalline form of carbon. It is the hardest substance known and a poor conductor of electricity.

2. Graphite - is a black, crystalline and lustrous form of carbon. It is soft and slippery. It is a good conductor of electricity.

3. Carbon - forms the backbone of many important bio-molecules such as carbohydrates, proteins and fats.

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Explanation:

Answer 2

Diamond

⭐ diamond is a three dimensional network of strong carbon carbon covalent bond.

⭐diamond is a very hard and high melting point ⭐diamond is bad conductor of electricity

diamond is transparent and shines in presence of light.

⭐it is hard and the thermal conductivity is highest.

Graphite

⭐in graphite each carbon atom is bonded with three other carbon atoms in form hexagonal rings.

⭐due to layered structure graphite is soft and has Soapy touch.

⭐It act as a lubricant

⭐ it is a good conductor of electricity and heat.

Carbon

⭐carbon is a chemical element like Hydrogen and oxygen nitrogen etc it is a versatile non metal.

⭐it has atomic number 6

⭐due to small size of carbon it is a unique ability to combine with carbon atoms to form long chain. This ability is known as catenation