2D representation of the fcc unit cell is:

a)

b)

c)

d)

Correct answer is option 'A'. Can you explain this answer?

Question

2D representation of the fcc unit cell is:a)b)c)d)Correct answer is option 'A'. Can you explain this answer?

Answer

Here we are taking 2D side of a 3D shape so first cut the FCC crystal such that x and y axis 2D remains with you.
Now we know that FCC have an atom in center of face, and rest are at the four corners, assuming ball the atoms to be of equal size solve it for the remaining spaces of a square.

Answer

Anyone explain it please

Answer

In 2D  first convert the cube into square then take the back face of cube as (0,0) plane now the atoms on back face will get 0 co- ordinate now consider the edge length of unit cell as 1 unit. so 1 circle on the back face now represents two atoms .Now the other atom which is on front face of the cube(1 unit away from the back face) will get 1 co-ordinate .so the circles on corners and middle of the square get (0,1) co-ordinate. And the other face center atoms which are 1/2 unit away from back face of cube get (1/2) co-ordinate .

Answer

Becoz all side  contituents same value

Similar Chemistry Doubts

The ratio of the nearest neighbor atomic distances in body-centered cubic (bc c) and facecentered cubic (fcc) crystals with the same unit cell edge length is

A metal has a cubic unit cell with cell edge 408 pm. Its density is 10.6 g/cc. Number of atoms of the metal in the unit cell and structure of metal is

A metal crystallizes into two cubic phases BCC and FCC. The ratio of densities of FCC and BCC is equal to 1.5. Calculate the difference between the unit cell lengths of the FCC and BCC crystals if the edge length of the FCC crystal is equal to 4.0 .

A metal crystalizes in fcc structure with unit cell side of 500pm. if the density of crystal is 1.33g/cc, the molar mass of the metal is closed to? A. 23 B. 24 C. 25 D. 26?

The unit cell of an element of atomic mass 96 and density 10.3 g/cm–3is a cube with edge length of 314 pm the structure of the crystal lattice is

Top Courses for Chemistry

Related Content

Schools

Competitive Examinations

Quick Access Links

Technical Exams