an electron is a subatomic particle which every atom has. an ion is a charged particle (Ca2+ or Na+) It has one or more electrons than the number of protons...
A positive ion ( the one that gives the electron) and a negative ion ( the one that accepts).
The electron arrangement in an ion of chlorine will be similar to argon because both chlorine (Cl) and argon (Ar) are in the same period (row) of the periodic table. Neon (Ne) is in a different period and has a different electron arrangement.
If an ion gains an electron that means the ion will be negatively charged.The name of that ion is called anion. On the other hand, if it loses and electron the ion will be positively charged, and the name of that ion is called cation.
When iodine becomes an ion, it typically gains an electron to form a negative ion (iodide ion). This addition of an electron causes the ion to become slightly larger in size due to the increased electron-electron repulsion, which can lead to a slight expansion of its electron cloud and thus the overall size of the ion.
The electron configuration for the Co2 ion is Ar 3d7.
The electron configuration of a V3 ion is Ar 3d2.
The electron configuration of the Co2 ion is Ar 3d7.
An example of an ion that is missing an electron is the sodium ion (Na+). In its neutral state, sodium has one electron, but when it loses that electron, it becomes positively charged as a Na+ ion.
If an element is missing one electron, which is defined as having a negative charge, then the element is a positively charged ion. If an element gains an extra electron, it will have a negative charge and be a negative ion. An element with an equal number of positively charged protons and negatively charged electrons is considered to be a neutral element (in other words, no charge). By the way, no charge for this answer!
The electron configuration of an Sc2 ion is Ar 3d1 4s0.
An atom forms an ion when it gains or loses an electron. If an atom gains an electron, it becomes a negatively charged ion (anion). If an atom loses an electron, it becomes a positively charged ion (cation).
When it gains an electron. It then becomes a negative ion.