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Sublimation

The grey allo...

Question

The grey allotrope of selenium is made from spirals on selenium atoms, while one of the red allotropes is made of stack of selenium rings.

A

True

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B

False

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Solution

The correct option is A True
The grey allotrope of selenium is made from spirals on selenium atoms, while one of the red allotrope is made of stack of selenium rings.
Thus, the given statement is true.

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Similar questions

Some allotropes of selenium display characteristics of a metalloid, even though selenium is usually considered a non-metal.

Q. At least how many known allotropes do selenium have?

The gray allotrope of selenium, commonly referred to as the 'metallic' allotrope, despite not being a metal, it is stable and has a hexagonal crystal structure.

Q. Selenium ingestion of

90

micrograms per day causes loss of hair. How many selenium atoms are there in this sample? (Atomic weight of

S e = 78.96

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0.020 g

of selenium vapours at equilibrium occupying a volume of

2.463 mL

1 atm

27^{\circ}

C.
The selenium is in a state of equilibrium according to the reaction

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What is the degree of association of selenium?
(Atomic weight of Se = 79 amu)

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