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(A) The triclinic crystal system is one of the seven crystal systems in crystallography. In this system,the unit cell is characterized by the least sy

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$1$

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(A) The triclinic crystal system is one of the seven crystal systems in crystallography. In this system,the unit cell is characterized by the least symmetry: all three sides have different lengths,and the angles between them are all different and not $90^{\circ}$.Characteristics of the Triclinic System:- The unit cell has $a 
eq b 
eq c$ (all sides are of different lengths).- The angles between the axes are $\alpha 
eq \beta 
eq \gamma$,and all are not $90^{\circ}$.There is only one type of unit cell in the triclinic system,which is the primitive (simple) unit cell. Due to the lack of symmetry,no other types of unit cells (like body-centered or face-centered) are possible.Therefore,the total number of different types of unit cells present in the triclinic crystal system is $1$.

What is the total number of different types of unit cells present in the triclinic crystal system?

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