The Mass of an Atom Is Concentrated Primarily in Its $\pi$

question 120

Multiple Choice

The mass of an atom is concentrated primarily in its nucleus.If the mass of a uranium atom's nucleus is about 4 * 10^-21 g and its radius is about 8 fm, what is the approximate density of the nucleus? The volume of a sphere is 4 $\pi$ r³/3.

• A)2 * 10¹⁷ g/cm³
• B)2 *10⁹ g/cm³
• C)2 * 10⁶ g/cm³
• D)2 * 10¹² g/cm³
• E)2* 10¹⁵ g/cm³

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Definitions:

Machining Department

A division within a manufacturing facility where machining processes such as cutting, drilling, or shaping are performed.

Finishing Department

The sector in a manufacturing process where products undergo final treatments, such as polishing, painting, or packaging, before being sold or shipped.

Predetermined Overhead Rate

A calculated rate used to assign manufacturing overhead costs to individual products, based on estimated or known factors.

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The total hours worked by employees directly involved in the manufacturing process or delivery of services.