InterviewSolution
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InterviewSolution
| 1. |
- Give characteristics of solid state. |
| Answer» <p>Thesolidsare characterized by incompressibility, rigidity and mechanical strength. The molecules, atoms or ions insolidsare closely packed that is, they are held together by strong forces and cannot move about atrandom.</p> <p>Solid-statenanopores can be used to detect nucleic acid structures at the single moleculelevel. An e-beam has been used to fabricate nanopores in silicon nitride and silicon dioxidemembranes, but the pore formation kinetics, and hence its final structure, remain poorly…</p> <p>Characteristics of Solid State. Thesolidsare characterized by incompressibility, rigidity and mechanical strength. The molecules, atoms or ions insolidsare closely packed, i.e., they are held together by strong forces and cannot move about atrandom.</p> <p>Characteristics of solid state - </p><p>Definite Mass and Volume and Shape: Mass and Volume of a solid and liquids remain same. But unlike liquids solids also have a fixed shape. The tightly packed atoms of a solid ensure that they maintain a definite shape.</p><p>Strong Intermolecular Forces: The tight close knit packing of molecules is due to the strong intramolecular forces between particles. This also means that the intermolecular distances between particles are also very small/short. This is the reason why solids hold their shape and do not spread out like liquids or gasses.</p><p>Solids are Incompressible: As there is already no spaces between molecules, solids cannot be compressed further</p><p>Boiling Points: Solids have Boiling and Melting Points above room temperature</p><p>Thermal Energy: Solids have low thermal energy. So this means their constituent particles do not roam about freely like in liquids and gases. They only oscillate about their mean positions.</p> | |