The Atomic Radius of Aluminum Is 143 Pm

question 26

Multiple Choice

The atomic radius of aluminum is 143 pm.Estimate its density,given that the metal has a close-packed structure.

• A)3.87 g  cm ^{ 3}
• B)5.54 g  cm ^{ 3}
• C)7.92 g  cm ^{ 3}
• D)16.3 g  cm ^{ 3}
• E)2.71 g  cm ^{ 3}

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Definitions:

Downward Sloping

Describes a line or curve on a graph that shows a decrease in one variable as another variable increases, often used in economics to describe demand curves.

Demand Curves

Graphical representations showing the relationship between the quantity of goods consumers are willing and able to purchase at various prices, typically downward sloping from left to right.

Own Price Elasticity

A measure of how much the quantity demanded of a good responds to a change in the price of that good, holding all else constant.

Specific Tax

A tax that is levied as a fixed amount per unit of a good or service, rather than a percentage of the price.