Question

the radius of a gold atom is 144 picometer(pm).What is this radius in manometer(nm)?​

Answer 1

Resposta:

Divide 3.72 mm by the diameter of a gold atom, which is twice its radius.

d = 2(144 x 10-12 m)

The number of gold atoms required is

n = (3.72 x 10-3 m) / [2(144 x 10-12 m)] = ?