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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
Mention any two characteristics of Sedimentary Rocks.
Explain this term associated with rocks: Extrusive Igneous Rocks
Give one example of an area of: Metamorphic rocks,
Why are Sedimentary rocks called the Secondary rocks?
Give reasons for the following
Extrusive rocks generally have small crystals.
How are igneous rocks formed?
Classify and explain the rocks.
______ rocks are also called Primary rocks.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
