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14 de may. de 2024 · Ion, any atom or group of atoms that bears one or more positive or negative electrical charges. Positively charged ions are called cations; negatively charged ions, anions. Ions migrate under the influence of an electrical field and are the conductors of electric current in electrolytic cells.
- Carbonium Ion
carbonium ion, any member of a class of organic molecules...
- Heavy Ion
Heavy ion, in nuclear physics, any particle with one or more...
- Carbanion
in which the solid lines represent bonds between atoms and...
- Carbonium Ion
- History and Meaning
- Cations and Anions
- Monatomic vs. Polyatomic Ions
The term "ion" was introduced by English chemist and physicist Michael Faraday in 1834 to describe the chemical species that travels from one electrode to another in aqueous solution. The word ion comes from the Greek word ion or ienai, which means "to go." Although Faraday could not identify the particles moving between electrodes, he knew that me...
Ions can be grouped into two broad categories: cations and anions. Cations are ions that carry a net positive charge because the number of protons in the species is greater than the number of electrons. The formula for a cation is indicated by a superscript following the formula that indicates the number of the charge and a "+" sign. A number, if p...
If an ion consists of a single atom, it is called a monatomic ion. An example is the hydrogen ion, H+. By contrast, polyatomic ions, also called molecular ions, consist of two or more atoms. An example of a polyatomic ion is the dichromate anion:
- Anne Marie Helmenstine, Ph.D.
Yep, oxygen, and any other molecule or atoms we breathe in can become ions. It’s simple to become an ion since all a neutral atom/molecule has to do is gain or lose an electron. If one of these airborne ions is breathed in, it’ll simply transfer its charge to atoms/molecules inside our body.
- 7 min
An ion ( / ˈaɪ.ɒn, - ən /) [1] is an atom or molecule with a net electrical charge. The charge of an electron is considered to be negative by convention and this charge is equal and opposite to the charge of a proton, which is considered to be positive by convention.
20 de nov. de 2021 · An ion is an atom or molecule with a net electrical charge. In chemistry, this involves the gain or loss of electrons. In chemistry, the definition of an ion is an electrically charged atom or molecule. This means the atom or molecule has an unequal number of protons and electrons.
A: Covalent bonding between two H atoms. B: Ionic bonding between sodium and chlorine, forming a lattice structure. Ionic compounds contain both cations and anions in a ratio that results in zero electrical charge.
Atoms that lose electrons acquire a positive charge as a result because they are left with fewer negatively charged electrons to balance the positive charges of the protons in the nucleus. Positively charged ions are called cations. Most metals become cations when they make ionic compounds.
