Answer:
The mass number is defined as the total number of protons and neutrons in an atom.
Explanation:
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
Sodium is considered to be a transitional metal
