It is about transmutation

Ionic bonds are bonds formed by ions with opposite charges. For example, positively charged sodium cations and negatively charged chloride anions are attracted to each other in a sodium chloride, or SALT, crystal.
A salt, like all ionic compounds, does not consist of just one cation and one anion. It contains lots and lots of ions arranged in a crystal lattice where cations and anions alternate regularly.

In order for atoms to become more stable, electrons are shared and thus covalent bonds are formed. !!!Covalent bonds are more common than ionic bonds in the molecules of living organisms!!!

Covalent bonds are key to carbon-based organic molecules such as DNA and proteins, and are also found in small inorganic molecules such as H2O (water), CO2 (carbon dioxide) and O2 (molecular oxygen).

Atoms can share one, two or three pairs of electrons, resulting in single, double, or triple bonds. The more electrons the atoms share, the stronger their bond.

Under normal conditions, all salts do not conduct electricity, but most are perfectly conductive in solution.

Salt can be obtained in the following ways:
- the interaction of metal and non-metal, in this case it will be without oxygen
- when a metal reacts with an acid, a salt is obtained and hydrogen is released
- a metal can exclude another metal from solution
- in the interaction of two oxides, acidic and basic (also called non-metallic oxide and metal oxide);
- the reaction of metal oxide and acid produces salt and water
- the reaction between a base and a non-metal oxide also gives a salt and water

When using an ion exchange reaction, various water-soluble substances (bases, acids, salts) can react, but the reaction will take place if gas, water or slightly soluble (insoluble) salts are formed in the water.

What is the electrical conductivity of salts?
Salts are pure and electrically solid non-conductive, but when dissolved in water, the resulting solution becomes electrically conductive !!!.
Electric current is also conducted by so-called molten salts, which are liquid the state of salts that is formed when salts are melted at high temperatures.

Both in aqueous solutions of salts and in molten salts it is electric
conductivity caused by the free mobility of ions that can to transfer electric charge in a directed manner.

Oxygen-free inorganic salts - are identical to halides.
Oxygenic salts - their anions are derived from oxygenic inorganic acids and the characteristic feature of these salts is that they are !three-element!. Examples of oxygen salts include: calcium carbonate - CaCO3, sodium nitrate - NaNO3, sodium sulfate - Na2SO4 and others.

Salts are chemical compounds that consist of a cation and an anion, but as a whole the salt is electroneutral.

If none of the particles react with water, the solution is neutral.
If only the cation reacts with water, the solution is acidic (it has a high concentration of hydrogen ions (H++start superscript, plus, end superscript), greater than their concentration in pure water).
If only an anion reacts with water, the solution is basic (it has a low concentration of H++start superscript, plus, end superscript, lower than their concentration in pure water).

If both ions react with water, the pH of the solution depends on the relative strength of the cation and anion.

The color of salts can be very different, depending on the metal ion that is part of it. Ferrous sulfate (FeSO 4 ) is green, ferric chloride (FeCl3) is dark red, and potassium chromate (K 2 CrO 4 ) is a beautiful bright yellow color.