Question

hydrogen atom has no electron but helium has electron. 4 hydrogen atom combine to form helium. why helium has electron?

Answer 1

hydrogen atom has electron right? it has one elsectron and helium atom has 2 electrons !

Answer 2

But in a hydrogen atom there are no neutrons, then where does the neutrons ... one positron ( a positively charged electron), and ... another proton to create a light isotope of helium, 3He