What does «ión poliatómico» mean in Spanish?
- A polyatomic ion is an ion consisting of a molecule with covalently bonded atoms or a metal complex that can be considered to act as a single unit in the context of acid and base chemistry or in the formation of salts. The prefix poly- means many in Greek. Note, a polyatom ion is also referred to in older works as a radical. In current usage the term radical refers to free radicals which are uncharged species with an unpaired electron. Some can be used in decomposition reactions, providing spectacular results, such as H2(g), O2(g) and I2(s). Hydroxide ions and ammonium ions