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An atom of a _____________________ has two electrons in its outer level and will lose these when it combines with another atom.
a. alkali metal
b. noble gas
c. alkaline earth metal
d. halogen

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Answer:

A alkali metals hope this helps

Answer: c. alkaline earth metal

Explanation: group II elements in the periodic table are generally found as 2+ ions.  This is because they have lost two electrons to ionic bonding.

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