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प्रश्न
Graphite and diamond are ____________.
पर्याय
covalent and molecular crystals
ionic and covalent crystals
both covalent crystals
both molecular crystals
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उत्तर
Graphite and diamond are both covalent crystals.
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संबंधित प्रश्न
Ionic solids conduct electricity in molten state but not in solid state. Explain
Explain the basis of similarities between metallic and ionic crystals.
Classify the following solids into different types:
a. Ammonium phosphate
b. Brass
c. S8 molecule
d. Diamond
In calcium fluoride, having the flurite structure the coordination number of Ca2+ ion and F− Ion are ____________.
Which among the following is NOT a polar molecular solid?
Nature of binding forces present in carbon dioxide molecules in solid state are ____________.
Solid CH4 is ____________.
NaCl type crystal (with coordination no. 6 : 6) can be converted into CsCl type crystal (with coordination no. 8 : 8) by applying ____________.
An excess of potassium ions makes KCl crystals appear violet or lilac in colour since:
(i) some of the anionic sites are occupied by an unpaired electron.
(ii) some of the anionic sites are occupied by a pair of electrons.
(iii) there are vacancies at some anionic sites.
(iv) F-centres are created which impart colour to the crystals.
Among the following which is the best description of water in the solid phase?
