atomic mass跟atomic number的詳細介紹 考試用

atomic mass跟atomic number的詳細介紹 考試用 Atomic Atomic crystal 化学元素里面的mass请问一下,在化学元素里面,mass 是不是指relative atomic mass?(注意这个mass真的是mass,不是mass number) how to coculate the atomic mass of an element如何计算原子质量 What makes up carbon's atomic mass?并用中文和英文回答,非常急！ 翻译the masses are all in atomic mass units（物理的） 英语翻译Mendeleev arranged the known elements in order of increasing atomic weight （molar mass）请问这句话后面的increasing atomic Atomic structure什么意思 atomic%什么意思 atomic furnace的意思 atomic weapons是什么意思? atomic energy chief意思? 200分求一道物理题,求懂英文的高手来帮下忙A certain isotope has 80 protons and 122 neutrons in its nucleus.Identify the element involved and find the atomic and mass numbers.Atomic number=Mass number= 翻译：A neutron is a nuclear particle with an atomic mass of 2.0 and a neutral electrical charge. why is this the relative atomic mass of chlorine not a whole numberplease answer it in english atomic和nuclear的区别 怎么计算 atomic spin density