Helium atom is neutral and has no charge. It becomes a positive ion with a charge of +1 when it loses an electron.
Helium is chemically inert and does not form any type of ions.
Yes, helium can be induced to ionize (form ions) by applying a voltage across the gas in a plasma discharge tube, e.g. a "neon" sign. But under ordinary chemical conditions, helium does not ionize or form bonds (share its electrons) with other atoms.
Noble gases' atoms have the least tendency to form ions.
Helium is a neutral atom that has several isotopes and can become an ion.
If one electron has been removed from Helium's electron shell then it is a He+ ion. If both of its electrons have been removed it becomes a He2+ ion. Either way they are both positive ions.
When a helium atom loses an electron, it forms a helium ion which is positively charged because it has one less electron than protons. This helium ion is written as He+.
Helium has two valence electrons. O6+ ion (a hypothetical ion) will also have 2 valence electrons.
If only the monopositive ions are considered, helium would create the ion with highest electronegativity.
Nuclear emission of a helium ion is called alpha decay.
When helium loses an electron, it becomes a positively charged helium ion (He+).
Atoms or ions that have the same number of electrons as helium (2 electrons) are considered isoelectronic with helium. Examples of species that are isoelectronic with helium include H+, Li+, Be2+, and B3+.