Ion - Wikipedia
An ion (/ ˈ aɪ. ɒ n,-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 …
What Is the Difference Between an Atom and an Ion? - Science …
2021年8月2日 · In chemistry, the main difference between an atom and an ion is that an atom is a neutral particle, while an ion has a positive or negative electrical charge. An atom is basic …
Ion | Definition, Chemistry, Examples, & Facts | Britannica
2024年12月24日 · 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. …
3.2: Ions - Chemistry LibreTexts
2025年1月21日 · Figure \(\PageIndex{2}\): The Formation of a Chlorine Ion. On the left, the chlorine atom has 17 electrons. On the right, the chloride ion has 18 electrons and has a 1− …
Ion - Definition and Examples - Biology Online Dictionary
2022年9月2日 · An ion is a charge carrying atom/molecule formed by the ionization process. The ratio of electrons and protons in an ionic species is never equal to 1.
Ion - Simple English Wikipedia, the free encyclopedia
An ion is an electrically charged atom or molecule (group of atoms). It is "charged" so it will move near electricity. Atoms are made from positively charged protons, negatively charged …
6.1: Ions - Chemistry LibreTexts
2022年7月21日 · An atom that picks up a charge by gaining or losing electrons is called an ion. In this section we will focus on monatomic ions: ions formed from a single atom. Later in this …
3.5: Ions and Ionic Compounds - Chemistry LibreTexts
Remember that ions are formed only when electrons move from one atom to another; a proton never moves from one atom to another. Compounds formed from positive and negative ions …
Ion Definition - What is an Ion? (Detailed Explanation with FAQs)
What is an Ion? An ion can be defined as a chemical species which holds a positive or negative charge of some magnitude. The term ‘ion’ can be used to refer to atoms or molecules that …
What Is an Ion? Chemistry Definition - Science Notes and Projects
2021年11月20日 · 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 . …
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