<span>The next to outermost electron shell begins to fill up.</span>
An oxidation-reduction reaction is a reaction in which oxidation numbers change. Oxidation involves the loss of electrons while reduction is the gain of electrons . In the reaction above; Chlorine undergoes reduction, and is therefore, the oxidizing agent, while Mg undergoes oxidation and is therefore the reducing agent.
Answer:
Bromine forms covalent bonds because it has seven valence electrons, but neon has eight valence electrons and already fulfills the octet rule. Neutral atoms coming together to share electrons.
Hoped this helped
Consider: a scientific inference is an idea or conclusion that is drawn from evidence and reasoning. In other words, it is an educated guess based on information you already know.