When Do Polyatomic Ions Have a Charge?
Polyatomic Ions Usually Have a Charge Because the Compound Itself Has Either Gained an Extra Electron (Making the Charge Negative) or It Has Lost an Electron...
Polyatomic ions usually have a charge because the compound itself has either gained an extra electron (making the charge negative) or it has lost an electron (making the charge more positive). The most common polyatomic ions have negative charges.
Why do polyatomic ions have charges?
In a polyatomic ion, the group of covalently bonded atoms carries a net charge because the total number of electrons in the molecule is not equal to the total number of protons in the molecule.
Which ion has a charge?
When an atom has more protons than neutrons, it gets positively charged. This positively charged ion is called cation. When an atom has more electrons than protons, it gets negatively charged. This negatively charged ion is called anion.