Answer:
F, S, Mg, Ba
Explanation:
Fluorine has a small atomic radius. These go up until Ba, which has a larger radius
C. Represents an oxidation-reduction reaction
Minerals physical characteristics are hardness,luster,the way it’s solid and chemical would be the way the color changes and it’s density
The grams of water produced is c
When a chemical reaction takes place it changes the composition of the reactants. The ways to tell if a reaction is occurring are,
1-Release of heat
2-Production of a gas
3-Formation of a precipitate
4-Change in color