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प्रश्न
Graphite and diamond are ____________.
विकल्प
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
What type of solids are electrical conductors, malleable and ductile?
An ionic compound crystallises in FCC type structure with ‘A’ ions at the centre of each face and ‘B’ ions occupying corners of the cube. The formula of compound is _______.
Answer the following in brief.
Distinguish between ionic solids and molecular solids
Give any three characteristics of ionic crystals.
Classify the following solid.
Diamond
What type of interaction hold the molecules together in a polar molecular solid?
Which among the following is an example of non-polar molecule?
Which of the following is not the characteristic of ionic solids?
Which of the following is not true about the ionic solids?
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.
