I believe the answer is thermal expansion.
Answer:
Explanation:
The bottom picture shows a Mg atom. There are two electrons on the outside ring. When Mg reacts with something, these 2 electrons are given away. The top picture records that fact.
It is considered as a universal solvent since most substances dissolve in water. And comparing it to other liquids, it is the one who dissolves a wide range of substances. Also, it is an important substance for every living thing.
The type of bonding and the numbers of covalent bonds an atom can form with other atoms are determined by the unpaired electrons present in the valence shell. The electrons are called the valence electrons. These are the electrons that can participate in chemical bonding.
