MgCl₂ = Mg²⁺ + 2Cl⁻
Mg²⁺ + 2e⁻ = Mg⁰
2 moles of electrons
Answer:
The nucleus is composed of protons and neutrons. A nucleus usually refers to the central core of something.
Explanation:
Explanation:
To balance this chemical equation-
see
Balanced form:-
CaO + 2 HCl ==. CaCl2 + H2O
.
Answer: True!
Explanation: As electrons that are excited move between energy levels, they emit lots and lots of energy, in fact way more energy than ground state electrons (electrons that move within the same energy level) do, thus, making them more unstable.