The mass of a single iron atom is 9.3 × 10–23 g.Determine the number if iron atoms in regular cube that measures exactly 10 cm on an edge.The density of iron is 7.86 g/cm3（）。
The mass of a single iron atom is 9.3 × 10–23 g.Determine the number if iron atoms in regular cube that measures exactly 10 cm on an edge.The density of iron is 7.86 g/cm3（）。
A.3.5 × 1025
B.8.5 × 1025
C.7.5 × 1024
D.4.2 × 1026
正确答案：8.5 × 1025
Tag：原子物理
时间：2024-01-03 15:09:59