No, it is a salt made of 1 Ca2+ ion and 2 Cl- ions with no total net charge.
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No, CaCl2 is not a polyatomic ion. It is a compound made up of two different elements – calcium (Ca) and chlorine (Cl).
Calcium (Ca) is an element. The calcium ion (Ca2+ ) is a monatomic ion. A polyatomic ion has multiple atoms and a charge (i.e. OH- or NO3-)
No, "co3" is not a recognized polyatomic ion. However, "CO₃²⁻" is the carbonate polyatomic ion.
The polyatomic ion in the compound Na2O2 is the peroxide ion (O2^2-).
The correct name for the SO32- polyatomic ion is sulfite ion.
No, NaCO3 is not a polyatomic ion. NaCO3 is the formula for sodium carbonate, which is a compound composed of sodium ions (Na+) and carbonate ions (CO3 2-). The carbonate ion (CO3 2-) is a polyatomic ion.
Yes, MgSO4 does contain polyatomic ions. The sulfate ion (SO4^2-) is a polyatomic ion present in magnesium sulfate.