百度试题 题目For an 8.0-MeV α particle scattering from a gold atom ( Z = 79 ) of radius 0.135 nm, the largest scattering angle, θ is ? ( ) 相关知识点: 试题来源: 解析反馈 收藏
Bohr radius definition and derivation - Introduction Bohr’s atomic model was a major breakthrough in the field of study of atomic structure. Atoms are a basic unit of all materials. According to the Bohr atomic model atoms contain a small central core c
What is the radius of a lead atom in picometers? Calculate the density of the lead in g/cm^3. What is the mass of a gold ball with a radius of 10.0 mm? (V= \frac {4}{3} \pi r^3), (D=19.3 g/cm^3) A star has a mass of 2.0 x 1036 kg and is a sphere wit...