An ion is an atom with a charge.
This means that the number of electrons does not match the number of protons, thus giving it a charge. If there are more electrons, it has a negative charge. If it has more protons, it has a positive charge.
Remember though, an atom cannot lose or gain protons, only electrons.
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Discretion, Excretion, Accretion, Secretion, Bet ion, Get ion, Jet ion, Let ion, Met ion, Net ion, Pet ion, Set ion, Skeet ion, Vet ion, Wet ion.
The ion charge of an NH4 ion is 1.
Nitride Ion.
A cation is a positively charged ion. Barium ion is Ba^2+, chloride ion is Cl^-, nitrate ion is NO3^-, and chromate ion is CrO4^2-.
The correct name for the cesium ion is "cesium ion" or "Cs+ ion".
It is H2PO4- ion which is called Di-Hydrogen-Phosphate ion.
barium ion is a cation. rest listed are anions.
Na is positive ion,Cl is negative ion
The potassium ion is K+ and the sulfate ion is SO42-
The polyatomic ion is the ammonium ion, NH4^+
The correct order from smallest to largest ionic radius is chloride ion < sulfide ion < potassium ion < calcium ion.