GENERAL GEOLOGY

GEOLOGY

CRYSTALLOGRAPHY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
in space crystals atoms are represented as
A
atomic spheres
B
points
C
atomic cones
D
atomic cylinders
Explanation: 

Detailed explanation-1: -In a crystal lattice, each atom, molecule or ions (constituent particle) is represented by a single point. These points are called lattice site or lattice point. Lattice sites or points are together joined by a straight line in a crystal lattice.

Detailed explanation-2: -The three-dimensional network of imaginary lines connecting atoms is called the space lattice. A crystal is an arrangement in three dimensions of atoms or molecules in repetitive patterns. The smallest unit having the full symmetry of the crystal is called the unit cell, the edges of which form three axes: a, b, and c.

Detailed explanation-3: -Lattice is the geometrical basis of all the crystals. A lattice can be considered as a regular and infinite arrangement of points/ atoms where in each point/ atom has the same surrounding environment. This is equally applicable in one, two and three dimensional space.

Detailed explanation-4: -A crystal structure is defined as the particular repeating arrangement of atoms (molecules or ions) throughout a crystal. Structure refers to the internal arrangement of particles and not the external appearance of the crystal.

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