Question

multiple - choice question
what did jj thomson discover about the atom?
negative electrons
positive electrons
negative protons
positive protons

Explanation:

JJ Thomson discovered the electron, which[SSE Completed, Client Connection Error][SSE Completed, Client Connection Error][LLM SSE On Failure]

Answer:

JJ Thomson discovered the electron, which[SSE Completed, Client Connection Error][SSE Completed, Client Connection Error][LLM SSE On Failure]