Posted by billy a. on Sunday, March 2, 2008 at 8:42pm.
Your question doesn't make sense to me. Z is not an ion. And Na+1 and Ca+2 exist but ONLY in compounds such as NaCl or CaO. Both Na+1 and Ca+2 are very reactive; therefore, you usually see them only combined with a negative ion.
sorry i meant zn -2
No such thing as Zn-2. There is a Zn+2
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