Explain how many atoms are in a unit cell

Reference no: EM13280524

1a) Which of the following has the lowest vapour pressure at a fixed temperature?

(a) H2Se

(b) AsH3

(d) PH3

(e) NH3

1b) An end-centered orthorhombic unit cell has a cereal-box shape with atoms at each corner and on the face of two opposite ends. How many atoms are in a unit cell?

(a) 1

(b) 2

(d) 10

Reference no: EM13280524

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