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प्रश्न
Graphite and diamond are ____________.
विकल्प
covalent and molecular crystals
ionic and covalent crystals
both covalent crystals
both molecular crystals
उत्तर
Graphite and diamond are both covalent crystals.
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संबंधित प्रश्न
Explain Ionic solids are hard and brittle.
Copper crystallises into a fcc lattice with edge length 3.61 × 10−8 cm. Show that the calculated density is in agreement with its measured value of 8.92 g cm−3.
Classify the following solids into different types:
a. Ammonium phosphate
b. Brass
c. S8 molecule
d. Diamond
Distinguish between crystalline solids and amorsphous solids.
Answer the following in one or two sentences.
A solid is hard, brittle and electrically nonconductor. Its melt conducts electricity. What type of solid is it?
Classify the following solid.
P4
Silicon carbide is an example of ____________.
London forces are present in ____________.
Which of the following exists as covalent crystals in the solid state?
The covalent bond length is the shortest in which one of the following bonds?