Crystal structure Lab

Which of the following is amorphous solids?

• salt (sodium chloride)

• glass

• diamond

Which of the following is the position are occupied by

the atoms, ions and molecules in the crystal?

• Lattice point

• Unit cell

• Crystal lattice

Which one of these unit cell contains 4 particles?

• 
• 
• 

Which one of these unit cells shows particles that have the minimum coordination Number?

• 
• 
• 

Which one of these unit cells is consistent with a body-centered cubic lattice?

• 
• 
• 

Which one of these unit cells is consistent with a SCC crystal?

• 
• 
• 

A particle that sits on a corner of a cubic unit cell is shared between...................... unit cells.

• 6

• 8

• 12

What is the coordination number for closest packed crystal structure?

• 6

• 8

• 12

The closest packing lattice in 3 dimensions which is a repeated pattern of sphere in alternate layers also known as ABAB... pattern, is ..................................... .

• ccp

• hcp

• fcp

From the figure, which type of hole between particles in the crystal structure is formed by closest-packed arrangement of particles?

• Tetrahedral hole

• Octahedral hole

• Hexahedral hole