Which of the following groups makes a neutral salt of the form AB

Groups II and VI

Explanation:

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In this case, regarding cations from groups I whose oxidations states are +1, II whose oxidation states are +2 and III whose oxidation states are +3 we can see that when they combine with nonmetallic anions they exchange the charges via subscripts. In such a way, when bonding for instance calcium ions with sulfide ions, we obtain:

Which can be simplified to give:

If we do the same for oxygen, selenium and tellurium, we find the same form since nonmetals from group VIA could form anions with -2 as they need two electrons to attain the octet, therefore, answer is groups II and VI.

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answer; i believe that the correct answer is (c) explore the outer planets; / plz check good luck

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