The constituent particles (atoms/molecules/ions) forming three dimensional structure of solids are assumed to be

Circles

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Identical hard spheres

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Squares

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Rectangles

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Solution

The correct option is B
Identical hard spheres

These are assumed to be identical hard spheres.

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Similar questions

Q. Why are constituents of ionic compounds ions but in covalent compounds the constituent particles molecules?

Q. Ions are the constituent particles of ionic solid. Such solids are formed by the three-dimensional arrangement of cations and an ions bounded by strong coulombic forces. These solids are hard and brittle in nature. They have high melting and boiling point. Some information are given in List - I and List - II, match the List-I with List-II

List -I	List II
(I) Co-ordination number of $C a^{2 +} and F^{-}$ in fluorite structure	(P) 8, 4
(II) Co-ordination number of $Z n^{2 +} and S^{2 -}$ in zinc blende structure	(Q) 8, 8
(III) Co-ordination number of $C s^{+} and C l^{-}$ in $C s C l$ (bcc type) structure	(R) 4, 8
(IV) Co-ordination number of $L i^{+} and O^{2 -}$ in antifluorite structure	(S) 4, 4

Which of the following option has the correct combination considering List-I and List-II

List-I	List-II
(I) Co-ordination number of $C a^{2 +} and F^{-}$ in fluorite structure	(P) 8, 4
(II) Co-ordination number of $Z n^{2 +} and S^{2 -}$ in zinc blende structure	(Q) 8, 8
(III) Co-ordination number of $C s^{+} and C l^{-}$ in CsCl (bcc type) structure	(R) 4, 8
(IV) Co-ordination number of $L i^{+} and O^{2 -}$ in antifluorite structure	(S) 4, 4

Which of the following option has the correct combination considering List-I and List-II

In interstitial defect, constituent particles occupy an interstitial site, so there should also be a vacancy from where atoms or molecules are displaced ?

Q. Assertion :Amorphous solids are isotropic. Reason: Amorphous solids lack a regular three-dimensional arrangement of atoms.

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The constituent particles (atoms/molecules/ions) forming three dimensional structure of solids are assumed to be

The correct option is B Identical hard spheres These are assumed to be identical hard spheres.

The correct option is B
Identical hard spheres

These are assumed to be identical hard spheres.