The reaction that releases energy as heat is called an Exothermic reaction. This reaction does obey the law of conservation by preserving the energy present in the molecule and converting it to thermal heat to maintain it's from. Most reactions obey the law of conservation of energy.
Answer:
- An ion is a charged particle.
- Ion may consist of a single charged atom or a group of atoms that have a net charge on them.
- A negatively charged ion is called anion.
- A positively charged ion is called cation.
<h3>For Example,</h3>
Sodium: Na⁺, Chloride: Cl⁻, Ammonium: NH₄⁺ Carbonate: CO₃²⁻
<u>-TheUnknownScientist</u><u> 72</u>
The number of sodium ions is equal to the number of formula units of salt.