Problem: The radius of an atom of gold (Au) is about 1.35 Å.How many gold atoms would have to be lined up to span 5.5 mm ?

FREE Expert Solution

We are asked to calculate the number of gold atoms that have to be lined up to span 5.5 mm given the radius of an atom of gold (Au) is about 1.35 Å.

To solve this problem, we shall follow these steps:

Step 1: Convert the radius from Å to mm.

Step 2: Divide the length (i.e. 5 mm) with the diameter in mm.


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Problem Details

The radius of an atom of gold (Au) is about 1.35 Å.

How many gold atoms would have to be lined up to span 5.5 mm ?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Dimensional Analysis concept. You can view video lessons to learn Dimensional Analysis. Or if you need more Dimensional Analysis practice, you can also practice Dimensional Analysis practice problems.

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Based on our data, we think this problem is relevant for Professor Dansby-Sparks' class at UNG.