Question

aluminium is cation it has charge of +3 what does this mean​

Answer 1

Explanation:

The charge of an aluminum ion is typically 3+. This is because the element’s atomic number is 13, reflecting the fact that it has 13 electrons and 13 protons. The valence shell of aluminum has three electrons, and per the octet rule, these three electrons are lost resulting in just 10 electrons and 13 protons. Aluminum then has three excess protons so the charge of a base aluminum ion is 3+.

That’s the quick answer regarding how aluminum’s charge is 3+. Yet to better understand the relationship between ions, ionization, and the different elements, a closer look at both positive and negative ions is needed.