121. |
The stacking pattern in NaCl crystal is _____
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Answer:
Option (a) |
122. |
Which chemical bond is present in diamond, silicone and quartz ?
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Answer:
Option (b) |
123. |
Which ions are surrounded by Cs+ ion in CsCl ?
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Answer:
Option (d) |
124. |
The percentage volume occupied by the spheres in bcc is _____
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Answer:
Option (a) |
125. |
In bcc arrangement, how much space is empty of available volume ?
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Answer:
Option (a) |
126. |
From which of the following you can prepared super conductors ?
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Answer:
Option (d) |
127. |
How much space remains empty in hcp ?
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Answer:
Option (d) |
128. |
In one crystal structure sodium (Na) atom are at each corner, oxygen (O) atom are at every edge and Tungsten (W) atom is at the centre of the cube, then the molecular formula of the solid is _____
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Answer:
Option (c) |
129. |
Lithium forms body centered cubic structure the length of the side of its unit cell is 351 pm. Atomic radius of the lithium will be _____
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Answer:
Option (c) |
130. |
A compound is formed of two elements A and B. The atoms of element B (anion) forms cubic close packing and atoms of element A occupies all the octahedral voids. What will be the formula of the compound ?
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Answer:
Option (b) |