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一、本题共12小题;每小题4分,共48分。在每小题给出的四个选项中,有的小题只有一个选项是正确的,有的小题有多个选项是正确的,把正确的选项前的宇母填入题后( )内。全部选对的得4分,选对但不全的得2分,有选错或不答的得0分。1.氢原子结构的理论主要依据的实验现象是:( )A.α粒子散射实验B.α粒子轰击铀核产生的裂变现象C.原子核的天然放射性现象中的α衰变现象D.稀薄氢气发光产生明线光谱现象2.依据已知的数据,可以计算出地球质量的是(万有引力常数 G 已知) ( )A.月球绕地球运行的周期及月球到地球中心的
A total of 12 questions in this question; 4 points for each question, a total of 48 points. Among the four options given in each question, there are only one option that is correct. Some questions have multiple options that are correct. After the correct option, the mother is inserted into the question (). . 4 points for all selections, 2 points for selection but not all, 0 points for wrong choices or no answer. 1. The theoretical basis for the theory of hydrogen atom structure is based on the following experimental phenomena: () A.α particle scattering experiment B. α particle bombardment of the uranium nuclear fission phenomenon C. nuclei’s natural radioactive phenomenon α decay phenomenon D. thin hydrogen gas luminescence Generate light spectrum phenomenon 2. Based on known data, the earth mass can be calculated (the gravitational constant G is known) () A. The moon’s orbit around the earth and the moon to the center of the earth.