Web4 sep. 2024 · Ion Definition in Chemistry. An ion is defined as an atom or molecule that has gained or lost one or more of its valence electrons, giving it a net positive or negative electrical charge. In other words, there is an imbalance in the number of protons (positively charged particles) and electrons (negatively charged particles) in a chemical species. WebIons consisting of only a single atom are termed atomic or monatomic ions, while two or more atoms form molecular ions or polyatomic ions. In the case of physical ionization in …
2.1: Atoms, Isotopes, Ions, and Molecules - The Building Blocks
Web28 mrt. 2024 · Key Takeaways. A molecule is a group of two or more atoms chemically bonded together, while an ion is an atom or molecule with an electrical charge. … Webion, 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 are formed by the addition of electrons to, or the removal of electrons from, neutral atoms or molecules or other ions; by combination of ions with other particles; or by rupture of a … olympic college screenwriting
Mass Spectrometry - Michigan State University
Webmolecule, a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance. The division of a … Web7 nov. 2024 · Molecules are groups of two or more atoms that are chemically bonded. Ions are atoms or molecules that have gained or lost one or more of their valence electrons … WebIons are formed when atoms gain or lose electrons. From the table above, note the following: Some atoms form cations, which are positively charged ions. Sodium is an example. Elements on the left side of the periodic chart (metals) tend to form cations. Some atoms form anions, which are negatively charged ions. Oxygen is an example. is an executor and administrator the same