Q. Atoms which are more electronegative have charge, which is

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Q. Coefficient of thermal expansion is a property which is

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Q. Parameters by help of which we can measure unit cell are

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Q. Crystals of magnesium oxide are

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Q. Size and shape of unit cell of crystal help us to measure

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Q. Direction in which graphite cannot conduct is

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Q. Molecules in solids have strong

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Q. Orthorhombic crystals usually exist in ratio of

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Q. Allotropic forms of Sulphur are rhombic and

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Q. As compare to metallic and ionic crystals bonding in covalent crystals is

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Q. Molecules looses their perfect alignment due to

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Q. Substances which are solids are

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Q. Boiling point of acetic acid in degree Celsius is

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Q. Solids which in many cases are sublimed easily, are

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Q. In structure of diamond hybridization present in tetrahedron is

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Q. Between melting temperature and clearing temperature, state exist is called

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Q. In a crystal lattice, when size of ion is increased packing of ions become less which are

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Q. Solids in which there is no orderly arrangement are called

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Q. In a suitable temperature liquid crystals are part of

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Q. Dipole-dipole are forces are weakest in

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