Which element in group 8A is known for having no charge at normal conditions?

The element in group 8A that is known for having no charge at normal conditions is Neon. This group is also referred to as the noble gases, which are characterized by having a complete valence shell of electrons. Because of this electron configuration, these elements do not tend to gain or lose electrons and thus do not form ions under standard conditions. Neon, like the other noble gases, exists as a stable, neutral atom.

In contrast, the other options provided do not belong to group 8A and are reactive elements. Fluorine, which is in group 7A, readily gains an electron to achieve a stable configuration, often forming negatively charged ions as it reacts with other elements. Sodium, from group 1A, easily loses an electron to form positively charged sodium ions. Argon, while also in group 8A and similarly stable, is not the correct answer based on the question's specific context regarding the "no charge" concept in normal conditions, although it would also exhibit neutral behavior. However, Neon is more commonly recognized for its inactivity and stability, further establishing it as the representative element for this characteristic in discussions about noble gases.