(c) Using the volume of a silver atom and the formula for the volume of a sphere, calculate the radius in angstroms of a silver atom.

검증된 단계별 안내

insert step 1> Determine the volume of a silver atom. This information might be given directly in the problem or you may need to calculate it using the density and molar mass of silver.

insert step 2> Recall the formula for the volume of a sphere: \(V = \frac{4}{3} \pi r^3\), where \(V\) is the volume and \(r\) is the radius.

insert step 3> Rearrange the formula to solve for the radius \(r\): \(r = \left(\frac{3V}{4\pi}\right)^{1/3}\).

insert step 4> Substitute the volume of the silver atom into the rearranged formula to calculate the radius.

insert step 5> Convert the radius from meters to angstroms, knowing that 1 angstrom = \(10^{-10}\) meters.

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Volume of a Sphere

The volume of a sphere is calculated using the formula V = (4/3)πr³, where V is the volume and r is the radius. This formula is essential for determining the size of spherical objects, such as atoms, by relating their volume to their radius. Understanding this relationship allows for the conversion of volume measurements into linear dimensions.

Atomic Volume

Atomic volume refers to the space occupied by a single atom, typically expressed in cubic centimeters or cubic angstroms. For silver, this value can be derived from its molar volume and density. Knowing the atomic volume is crucial for calculating the radius of an atom, as it provides the necessary information to apply the volume formula effectively.

Unit Conversion to Angstroms

An angstrom (Å) is a unit of length equal to 10^-10 meters, commonly used in chemistry to express atomic and molecular dimensions. When calculating the radius of an atom, it is important to ensure that all measurements are in consistent units. Converting the radius from centimeters or other units to angstroms allows for easier comparison and understanding of atomic sizes.