Question

During a chemical reaction an Aluminium atom loses 3 electrons and an oxygen atom gains 2 electrons. Write down their symbols using the format X^+2 or X^-1

Answer 1

Answer:

For oxygen ( O^-²)

For aluminum (Al^+3)

Explanation:

Aluminum loses 3 electrons, so it gets 3 positive charge. While oxygen gains 2 electrons, so it gets 2 negative charge.