The Al (aluminum) ion exists in the 3+ state.
An ion that comes from Al typically has a 3+ charge. This is because Aluminum (Al) loses three electrons to achieve a stable electron configuration, making it a cation with a 3+ charge.
The charge on aluminium is 3+ also written as Al 3+
The formulas of the most common ions of these elements are Al+3 and Cl-1.
The charge on the bromide ion (Br-) in AlBr3 is -1. This is because aluminum (Al) has a charge of +3, so in order to balance the charges and create a neutral compound, each bromide ion must have a charge of -1.
The oxidation number of Al is +3 in the complex ion Al(OH)4-. Each hydroxide ion (OH-) carries a charge of -1, so the total charge of the complex ion is -1. Since there are four hydroxide ions, the aluminum ion must have an oxidation number of +3 to balance the charges.
When an aluminum atom loses its three valence electrons, it becomes positively charged with a charge of +3. This results in an aluminum ion with a 3+ charge.
Aluminum has trivalent cation. It is Al3+
The stable ion for aluminum (Al) is Al³⁺. Aluminum typically loses three electrons from its outer shell to achieve a stable electron configuration, resulting in a positive charge of +3. This ion is commonly found in various compounds, such as aluminum oxide (Al₂O₃) and aluminum sulfate (Al₂(SO₄)₃).
Aluminum (Al) is in group 3A and so has 3 valence electrons. It can easily lose these to become Al^3+, so the charge would be +3.
The correct formula for a compound of tripositive Al cations and mononegative NO3 anions would be Al(NO3)3. This is because each aluminum ion has a 3+ charge, while each nitrate ion (NO3-) has a 1- charge. To balance the charges, three NO3- ions are needed for every Al3+ ion.
The charge on a chloride ion (Cl-) in AlCl3 is -1. This is because aluminum (Al) has a charge of +3, and since the compound is neutral overall, each chloride ion must carry a charge of -1 to balance the positive charge of the aluminum ion.
An aluminum (aluminum) ion with a positive charge of three (or with three electrons stripped off).