Question

3.Why does an atom of Mg form a di positive ion and an

atom of Oxygen form a di negative ion during chemical

reaction?​

Answer 1

Ions form when atoms gain or lose electrons. Since electrons are negatively charged, an atom that loses one or more electrons will become positively charged; an atom that gains one or more electrons becomes negatively charged

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Answer 2

Exothermic reactions are reactions or processes that release energy, usually in the form of heat or light. In an exothermic reaction, energy is released because the total energy of the products is less than the total energy of the reactants.

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