how-many-cesium-atoms-are-needed-to-line-a-100-mm-surface-if-the-diameter-of-a-c

Question

How many cesium atoms are needed to line up with one another to form a square grid on a 1.00 mm by 1.00 mm square surface if the diameter of a cesium atom is 0.267 nm?

Accepted Answer

$$1.40x10^{13}$$ atoms

Answer

$$2.67x10^{-16}$$ atoms

Answer

$$2.67x10^{7}$$ atoms

Answer

$$3.75x10^{7}$$ atoms