7. Name two elements that have 2 electrons in their outermost shell.
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Magnesium, Calcium, and Strontium are the 3 elements that have two electrons in their outermost orbit.
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Explanation:
Elements of group II have two electrons in their outermost shells. So, Magnesium, Calcium, and Strontium are the 3 elements that have two electrons in their outermost orbit.
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