A. an ion
The atom gains a net electrical charge if the number of protons and electrons are not equal which makes it an ion.
MgF₂ ( <span>Magnesium fluoride )
hope this helps!</span>
Answer:
in general, as the temperature increases, the solubility of gases in water <u>decreases</u> and the solubility of most solids in water <u>increases</u>.
