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Publish On: 2018-12-13

Lewis anna

Total Post: 755

Question: Describe the nature of the atoms of a crystal

Reply On: 2014-01-30

lala singh

Total Post: 22

ANS: Describe the nature of the atoms of a crystal

The atoms of a crystal may be thought of as tiny spheres in thermal agitation about equilibrium points in some regular structure. These points lie about 0.2 to 0.4 nm apart (1 nanometer = 10-9 m), as determined from the way the atoms diffract x-rays. Each atom consists of a nucleus of diameter about 10-6 nm, which includes most of the mass of the atom and carries a positive electric charge charged, orbit around each than nucleus, to a distance of 0.1 to 0.2 nm from the nucleus. If one tries to push the atoms closer than their equilibrium distance, so that the electronic orbits of neighboring atoms being to overlap, strong forces of repulsion come into play.

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