Answer:
Radicals
Explanation:
A radical refers to a chemical specie that contains unpaired electrons in their dot electron diagrams.
Radicals contain an odd number of electrons. They are commonly called odd electron species.
Radicals participate in a number of important reactions. A typical example is the halogenation of alkanes in the presence of light.
Examples of radicals include; Br. , Cl. , F. etc
MgSO4 + 2NaOH —> Mg(OH)2 + Na2SO4
It would have to be physical property * if this helped you in anyway please be sure to leave a thanks:)