the formula for manganese II ion is Mn 2+ .it is a positively charged ion
Cu the ion of copper is generally Cu 2+
Barium ion = Ba2+
Hydroxide ion = OH-
Argon does not normally form ions.
Rubidium ion is Rb1+
Calcium ion is Ca2+ and the carbonate ion is CO32-
Neon does not form any ion
Cs+
Helium is typically monatomic, even as an ion.
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Phosphorus generally forms phosphide ion (P3- ion).
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The formula for lead(IV) ion is Pb4+ and for nitrite ion is NO2-.
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The formula for the tin four ion is Sn+4
The formula for the iron(III) ion is Fe3+. The superscript means that the ion has three positive charges.
The sulfur ion is S2-.