Just put in 15 minutes to 1 hour of extra work a day, in Language, Science, Math, take breaks in between if you can't concentrate long periods of time.
In an atom a nucleus ist made oft protons and Neutrinos. Neutrons have noch cargo.
Auf Wiedersehen is the most accepted and formal translation. Bye, which is a informal, would translate to Tschuss.
Hope it helped,
BioTeacher101
