What is the number of electrons that can be held in the second orbit

answer

fusion: the energy source of stars. the energy released from the collapse of the gas into a protostar causes the center of the protostar to become extremely hot. when the core is hot enough, nuclear fusion commences. fusion is the process where two hydrogen atoms combine to form a helium atom, releasing energy.

hope it

if you're asking what comes out, it's steam.

it is stable as it is in group 0 which have full outer shells of electrons