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List three elements that form +2 ions. What family do they belong to? Explain how the atom acquires the charge.

Accepted Answer

{"response": "Elements that form +2 ions:

* Calcium (Ca)
* Strontium (Sr)
* Barium (Ba)

Family: Alkaline earth metals

How the atom acquires the charge:

These elements have two valence electrons in their outermost shell. When they lose these two electrons, they acquire a +2 charge."

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