It depends on what kind of ion:
The hydrogen ion H+ is without electrons.
A I ion, specifically iodide (I⁻), has a total of 8 valence electrons. In its neutral state, iodine has 7 valence electrons, but it gains one additional electron when it forms an ion, resulting in 8. Since each pair of valence electrons consists of 2 electrons, there are 4 pairs of valence electrons in an iodide ion.
if you are asking about ICl4- ion then there are 28 valence electrons and 8 binding ones.total of 36 electrons
A magnesium atom has 2 electrons in its valence shell. A magnesium ion has 8 electrons in its valence shell.
Halides have 7 valence electrons, but the halide ion, haven gained an electron has 8 valence electrons
The hydrogen ion H+ is without electrons.
no electron is present in the outer most shell of hydrogen ion
Hydrogen has 1 valence electron, phosphorus has 5 valence electrons, and oxygen has 6 valence electrons. So, if you totaled all of the valence electrons in the ion HPO42- you'd get 1 + 5 + 6 X 4 + 2 = 32. However, you should realize that the term "valence electron" really only applies to individual atoms, not compounds. The only electrons one would concern themselves with in the HPO42- ion are the 2 that make it an ion.
Hydrogen sulfate (HSO4-) has 7 valence electrons. This is calculated by adding the number of valence electrons in sulfur (6 electrons) and hydrogen (1 electron), then subtracting one due to the negative charge on the ion.
The H3O+ ion has three hydrogen atoms bonded to an oxygen atom. Each hydrogen atom contributes 1 valence electron, while the oxygen atom contributes 6 valence electrons. Therefore, the total number of valence electrons in the H3O+ ion is 3 (hydrogen) + 6 (oxygen) = 9 electrons.
Chlorine has 7 valence electrons. A chloride ion has 8.
if you are asking about ICl4- ion then there are 28 valence electrons and 8 binding ones.total of 36 electrons
Arsenide ion has 3 valence electrons. Arsenic, the element from which arsenide ion is derived, is in group 15 of the periodic table, so it has 5 valence electrons. When it forms an ion with a charge of -3, it gains 3 electrons to achieve a full octet.
A magnesium atom has 2 electrons in its valence shell. A magnesium ion has 8 electrons in its valence shell.
A sulfur atom has 6 valence electrons, while a sulfide ion has 8 valence electrons because it gains two electrons to achieve a stable electron configuration.
A chlorine atom has 7 valence electrons, as it is in group 17 of the periodic table. A chloride ion has 8 valence electrons, as it gains an additional electron to achieve a full octet and a stable electron configuration.
Iodine atom has 7 valence electrons, whereas Iodide ion has 8 valence electrons.