3 years ago

One or more calcium ions (Ca+2) combine with one or more chlorine ions (Cl-1). What is the resulting formula?

1 answer:

N76 [4]3 years ago

5 0

The formula is CaCl2 as you need two Cl ions in order to combine with one Ca ion in order to form a neutral compound i.e. You need to have the same amount of charges therefore you have two Cl ions which have -1 charges for one +2 Ca ion.
Hope this helps :).

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