(1) gains one electron and becomes a negatively charged ion (2) gains three electrons and becomes a negatively charged ion (3) loses one electron and becomes a positively charged ion (4) loses three electrons and becomes a positively charged ion
Answer: (3) loses one electron and becomes a positively charged ion ;
When lithium reacts with bromine to form lithium bromide, each lithium atom loses one electron to become a positively charged ion (Li+). This is because lithium wants to achieve a stable electron configuration. The correct answer is option (3).
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