• Tuesday June 2,2020

Ion

We explain to you what an ion is and how these molecules can be constituted. In addition, examples of ions and what an anion is.

An ion is a molecule that has gained or lost electrons.
  1. What is an ion?

In chemistry, an ion is known as an electrically charged molecule consisting of an atom or molecule that is not electrically neutral, that is, , who in their constitution have gained or lost electrons (ionization).

The ions can consist of two or more atoms (polyatomic) of different nature, or of a single atom (monoatomic). In any case, we will talk about a cation (or cations) when it is a positively charged ion (i.e., lacking electrons), and we will talk about an anion (or anions) when it is a negatively charged ion (it is say: with excess electrons).

Other types of ions are also known, based on their electrical charge, known as dianions (when they have both electric charges), zwitterions (which has a neutralized double charge to reach the neutral), or ionic radicals (free ions of enormous reactivity and instability ). In general, ions are very reactive and tend to be joined by electromagnetism with other molecules.

Ions play an indispensable role in life, especially those of calcium, potassium and sodium, whose importance in the transit of cell membranes and neurotransmitters has been studied extensively. For the rest, the understanding of ions It has allowed us to develop plasma technology and even measure water quality based on the ionic salts dissolved in it.

See also: Chemical Link.

  1. Ion examples

Azide is a simple anion.

The best known ions are:

Simple cations Composed of a single atom with positive charge:

  • Aluminum (Al3 +)
  • Cesium (Cs +)
  • Chromium III or chromic ion (Cr3 +)
  • Chrome VI or perchromic ion (Cr6 +)
  • Hydrogen or proton (H +)
  • Helium or alpha particle (He2 +)
  • Lithium (Li +)
  • Iron II or ferrous ion (Fe2 +)
  • Iron III or ferric ion (Fe3 +)
  • Nickel III or nickel ion (Ni3 +)
  • Tin II or stannous ion (Sn2 +)
  • Tin III or static ion (Sn3 +)

Polyatomic cations . Composed of two or more atoms with positive charge:

  • Ammonium (NH4 +)
  • Oxonium (H3O +)
  • Nitronium (NO2 +)
  • Mercury I or mercury ion (Hg22 +)

Simple anions . Composed of a single atom with negative charge:

  • Azide (N3-)
  • Bromide (Br-)
  • Carbide (C4-)
  • Chloride (Cl-)
  • Fluroride (F-)
  • Phosphide (P3-)
  • Nitride (N3-)
  • Sulfide (S2-)

Oxoanions Composed of oxygen and other elements, they have a negative charge:

  • Arsenate (AsO43-)
  • Borate (BO33-)
  • Hypobromite (BrO-)
  • Bicarbonate (HCO3-)
  • Chlorate (ClO3-)
  • Chlorite (ClO2-)
  • Hypochlorite (ClO-)
  • Dichromate (Cr2O72-)
  • Hydrogen sulfate or bisulfate (HSO4-)
  • Hydrogen sulphite or bisulfite (HSO3-)
  • Silicate (SiO44-)

Anions of organic acids . Coming from organic molecules, they have a negative charge:

  • Acetate (C2H3O2-)
  • Oxalate (C2O42-)
  • Bioxalate (HC2O4-)

Other anions With negative charge and more than one atom:

  • Bisulfide (HS-)
  • Amiduro (NH2-)
  • Cyanato (OCN-)
  • Thiocyanate (SCN-)
  • Cyanide (CN-)
  • Hydroxide (HO-)
  1. Anion

Sulfite is a polyatmic anion.

It is known as anion (or anions) to ions that have a negative electrical charge, that is, they have gained electrons in a chemical reaction that gave rise to them. They may be constituted by one or several atoms, but even in the latter case the overall charge of the molecule (its oxidation state) is always negative.

There are three types of anions:

  • Monoat micos . Those constituted by a single atom that has gained electrons. For example: Chloride (Cl-).
  • Polyatics . They come from a molecule that has gained electrons in a chemical reaction, or from an acid that has lost protons. For example: Sulfite (SO32-).
  • Acids . They come from a polyprotic acid (which have multiple ionizable hydrogen) to which protons have been extracted. : Phosphate (H2PO4-).

Interesting Articles

Natural disasters

Natural disasters

We explain what natural disasters are and how these natural phenomena are classified. Examples of natural disasters. Fires that devour acres of grasslands and even entire forests in its path. What are natural disasters? Natural disasters are understood as those violent or sudden changes in the dynamics of the environment , whose repercussions can cause material and life losses, and which are the product of environmental events in which the hand of the human being, such as earthquakes, floods, tsunamis, among others

Alchemy

Alchemy

We explain to you what alchemy is and the appearance of this proto-science in the artistic field. In addition, what are the philosopher's stones. Alchemy is a creation of the many that esotericism poses. What is alchemy? Alchemy is a creation of esotericism. This is linked to the transmutation of matter

Bering strait

Bering strait

We explain what the Bering Strait is, its width and depth. In addition, who owes its name and theories about this place. The Bering Strait has an average depth of 30 to 50 meters. What is the Bering Strait? It is known as `` Bering '' strait ( Bering S trait , in English) - a portion of the sea that extends between the eastern end of the Asian territory (Siberia, Russia) and the northwestern tip of the American (Alaska), serving as a communicating channel between the sea of ​​Chukotka (north) and the Bering Sea (south). It

Nickel

Nickel

We explain what nickel is, how it was discovered, how it is obtained, used and other properties. In addition, allergy to nickel. Nickel is a metallic element of atomic number 28. What is nickel? Nickel is a chemical chemical element , located in group 10 of the Periodic Table of the Elements, and represented by the symbol Ni

Energy

Energy

We explain to you what energy is and what are the different types of energy that we can find and some examples of them. A fundamental principle of energy is that it cannot be created or destroyed. What is energy? The term energy comes from the Greek word for activity, en gege , and is used in various areas of knowledge such as physics, chemistry or the economy, to refer to a force capable of generating an action or a job

Divergent thinking

Divergent thinking

We explain what divergent thinking is and what its objectives are. In addition, the origin of this method and how to promote it. Divergent thinking is considered the most traditional, structured and rational. What is divergent thinking? Divergent thinking (also known as lateral thinking) is that process or method of thinking that the brain uses to generate creative ideas when exploring all possible solutions for how to deal with each circumstance