Answer:
2Mg + 2CO₂ → 2MgO + C
Option a.
Explanation:
The chemical reactions are balanced in order to verify compliance with the Law of conservation of mass. This law states that in any chemical reaction, the mass of the reagents must be equal to the mass of the products
[Ar] 3d10 4s2 4p5 is the electron configuration of bromine
Explanation:
sodium atom is neutral while sodium ion is a charged specie with a charge of +1
The answer is A.Hope this helps
