an atom is called an ion when it has more and uneven amount of protons and electrons
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A phosphorus ion is called a phosphate ion, which has a charge of -3.
They call it "leaf-fall".
The ion ICl4- is called tetrachloroiodate(1-) ion.
The charge is -1.
The ion formed by chlorine is the "chloride" ion
Monatomic Ion, because Mono means One (1)
An atom is called an ion if there is a charge on it - positive or negative.
An atom with a charge (either positive or negative) is called an "ion." An ion with a positive charge is called a "cation" and an ion with a negative charge is called an "anion ."
A negative ion is called an anion, while a positive ion is called a cation.