Question

which atom loses two electrons from its valence shell to form an Ion​

Answer 1

Answer:

Forming an Ion

This electron exchange results in an electrostatic attraction between the two atoms called an ionic bond. An atom that loses one or more valence electrons to become a positively charged ion is known as a cation, while an atom that gains electrons and becomes negatively charged is known as an anion.

Explanation:

mark as Brainliest

Answer 2

Answer:

Magnesium loses two electrons from valence shell to become stable and from anion.