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प्रश्न
Why is diamond clear and hard while graphite is soft?
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उत्तर
Carbon atoms in diamond are bonded in a strong tetrahedron pattern making it hard and clear whereas carbon atoms in graphite are bonded in weak covalent bonds making it soft and black.
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संबंधित प्रश्न
Classify the following rocks by selecting the correct option given below:
schist
Why are the igneous rocks also called the primary rocks?
Which rocks are associated with fossil fuels?
Explain this term associated with rocks: Fossil fuels
What are metamorphic rocks?
What is the basis for the classification of rocks?
Which of the following monuments are built-in igneous rock?
- The Taj Mahal
- Fort Raigad
- The Red Fort
- Ellora Sculpture
Chemical sedimentary rocks are found in the beds of reservoirs.
Why are crystalline rocks called so?
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
