A Nail Is Coated with a 0 $\times$ 10²⁰ Atoms
B) 3

question 79

Multiple Choice

A nail is coated with a 0.053 cm thick layer of zinc.The surface area of the nail is 8.59 cm².The density of zinc is 7.13 g/cm³.How many zinc atoms are used in the coating?

• A) 5.9 \(\times\) 10²⁰ atoms
• B) 3.0 \(\times\) 10²² atoms
• C) 3.8 \(\times\) 10²² atoms
• D) 2.0 \(\times\) 10²⁴ atoms
• E) 1.3 \(\times\) 10²⁶ atoms

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Definitions:

Percentage Changes

Calculations that measure the degree of change over time, expressed as a percentage to highlight growth or decline in quantitative data.

Price-Elasticity Of Demand

A gauge of the extent to which the amount of a product sought by consumers alters following a modification in its price.

Percentage Change

A mathematical calculation that demonstrates how much a quantity has increased or decreased relative to its previous value, often expressed as a percentage.

Price Elasticity

A measure of how much the quantity demanded of a good responds to a change in the price of that good, indicating the sensitivity of demand to changes in price.