How Many Valence Electrons Does Helium Have
How many valence electrons are there in helium ion?
Two: 1s2 configuration.
Helium atoms do not form ions. Ions are charged when they lose NS electrons. Helium atoms do not usually do this. During radioactivity, some of the particles emitted consist of 2 neutrons, 2 protons and 2 electrons. It is a simple alpha particle called helium particle.
The outermost SS has 2 valence electrons, no other SS. It is inactive and cannot react and is called gas here. The two electrons coexist with the proximity of the positive nucleus.
The helium atom is in group 0 instead of 8, it has only one which has two electrons. So two valence electrons.
There are 2 of them, this is the maximum for the first electron level, so it's gas.
There are only two electrons with S, and you have to lose at least one to become an ion, but you can't lose both, so ...