This blog will cover and explain the specification for Edexcel triple science course 2013 Chemistry. Hope it helps :)
I do not understand why Hydrogen is highlighted. Can someone please explain why?
because they're gasses.
No, it's because in electrolysis, Hydrogen will be produced if the metal is more reactive than Hydrogen.
I mean yeah, they're non-metals and also the thing I said.
Also below hydrogen occur native