It depends on the chemical reaction taking place.
magnesium + oxygen -> magnesium oxide
In equation 1 it would be a reactant.
magnesium oxide -> magnesium + oxygen
In equation 2 it would be a product.
If magnesium is on the left-hand side of the equation it is a reactant.
If magnesium is on the right-hand side of the equation it is a product.
From Wikipedia:
"The substances initially involved in a chemical reaction are called reactants. Chemical reactions are usually characterized by a chemical change, and they yield one or more products, which usually have properties different from the reactants."
It depends on the chemical reaction taking place.If magnesium iodide is on the left-hand side of the equation it is a reactant.If magnesium iodide is on the right-hand side of the equation it is a product.From Wikipedia:"The substances initially involved in a chemical reaction are called reactants. Chemical reactions are usually characterized by a chemical change, and they yield one or more products, which usually have properties different from the reactants."
When the limiting reactant is completely used up. A limiting reactant is the reactant that determines the amount of product. To determine this use the balanced chemical reaction with the masses of the reactants to determine the moles of product formed. The reactant that forms the least amount of product will be the limiting reactant.
Carbon dioxide, in photosynthesis, is a reactant, or "raw material" and in cellular respiration, is a product or end product, so it is really either, but the answer to the question according to the category is a "raw material."
magnesium nitride, Mg3N2 Please see the link.
Magnesium carbonate
A reactant exists at the beginning of a chemical reaction whilst a product exists at the end. They are alike in the fact that to get to a product you need to have a ready supply of the reactants. An example of a simple reactant/product reaction is shown below. Magnesium + Oxygen --> Magnesium Oxide Reactant + Reactant --> Products Hope this helps
Sugar can be both a reactant and a product.
Sun is a star, not reactant or product.
reactant
Not it's not. Sodium is an Alkaline Metal, and Magnesium is an Alkaline Earth Metal, therefore Sodium is more reactant than Magnesium. It is because Alkaline Metals are more reactant than Alkaline Earth Metals.
This depends on the reaction involved.
Magnesium hydride is a compound.
reactant
sulfur is a reactant
Reactant
The reactant, because it is reacting to form the product of H2O.
Oxygen is a reactant