<span>Step 1: Identify reactants and products and place them in a word equation.Step 2: Convert the chemical names into chemical formulas. ...Step 3: Balance the chemical equation.Step 1: Convert the chemical names into chemical formulas. ...<span>Step 2: Balance the chemical equation</span></span>
Answer:
A
Explanation:
Magnesium.
Magnesium, Zinc and Aluminium are called as Sacrificial Anodes.
They are relatively pure active metals.
the sacrificial anode works by introducing another metal surface with a more negative electronegative and much more anodic surface.
I would go with D) is a community along with non-living components such as water and air
Answer is 5A or VA. remember each group represents how many valence electron an atom have.