HELPP
What particle completes this equation?
I think the answer is either
0
1 E +
Or
1
0 n
![HELPP What particle completes this equation I think the answer is either 0 1 E Or 1 0 n class=](https://us-static.z-dn.net/files/ddd/80bdf9e163077dfa5e1ffbc99339f834.png)