Answer:
Correct answer is: "Cold Water"
Explanation:
EDGE 2020
Answer:
Chlorine (Cl)
Explanation:
The equation would be:
→ 
This is because no atom is lost in a reaction. Chlorine would be the missing chemical as it is on the other side of the equation and needs to be accounted for on the products side.
Valence elections, electron affinity, electronegativity, atomic radius