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 5.0 mm ?

1.851.10⁷ gold atoms would have to be lined up to span 5.0 mm

There are 7 main quantities that have been determined based on international standards, namely:  

The length indicate the distance between two points in a place  

The symbol is usually expressed in l, length  

Length measurement can be used by several measuring instruments such as ruler, caliper length, meter, screw micrometer  

The main length unit consists of 7 units :

Each one unit descends then multiplied by 10, and if one unit increases then divided by 10  

For 1 Â (angstrom) equal to 10⁻⁷ mm

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

so the diameter = 1.35 x 2 = 2.7 Å = 2.7.10⁻⁷ mm

to be lined up to span 5.0 mm requires gold atoms :

amount of gold atom : 5.0 : 2.7.10⁻⁷ mm = 1.851.10⁷

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Keywords: gold atom, diameter, millimeters, angstrom(Å)

coral.

explanation:

coral. many marine organisms that produce calcium carbonate shells or skeletons are negatively impacted by increasing co2 levels and decreasing ph in seawater.