Explain why scientists regarded a periodic table ofthe elements first as a curiosity, then as a useful tooland finally as an important summary of the structureof atoms?
Probably not a 6 marker on hydrogen fuels as we already did that in unit 1. I'm guessing it may either be on making ammonia or trends in the periodic table
Explain why scientists regarded a periodic table ofthe elements first as a curiosity, then as a useful tooland finally as an important summary of the structureof atoms?
Don't really understand electrolysis stuff and the positive ions going to negative electrodes like wtf
Just say that opposite charges attract each other and so positive ions go to the negative electrode and negative ions go to the positive electrode. You will get quite a lot of marks for saying that.
Also as electrons are negative charge, then the positive ions will gain electrons (be reduced) to become pure and negative ions will lose electrons (oxidised) to become pure.