z z So the charge is actually just equal to z, +2e we can write plus 2, or you can write plus 2 e, e he charge on an electron.
是多少呢?是的。,What,is,z?,Yup,,so,it’s,plus,2。,它是+2所以电荷量实际上仅仅等于,我们可以写+2或者你可以写,仅仅指一个电子电荷量,e,just,means,the,absolute,value,of,t,的绝对值。