The electrons within an atom of element"X" oscillate with a

A story about atom.(A day in the life of an atom)全英文,文章,不是题目 An atom with a mass number of 196 has 40 fewer protons than How many electrons does a neurtral fluorine atom contain? I'm an atom in a sea of nothing是什么意思 问一道AP化学题The differentiating electrons for transition element The atomic number of an element X is 15.The number of electr an element is a substance , all of _______ atoms have the sa matlab运行时出现问题In an assignment A(I) = B,the number of element How fast of the speed of the electron which in an atom? Electron occupy most of the space of an atom.True or False? how to coculate the atomic mass of an element There is an element of defeating the organization 译