When atoms gain electrons they form a negative ion called an _______. Group of answer choicescationanionbunionvalence ion
Question
When atoms gain electrons they form a negative ion called an _______.
Group of answer choices
- cation
- anion
- bunion
- valence ion
Solution
When atoms gain electrons, they form a negative ion called an anion.
To elaborate, anions are negatively charged ions created when an atom or molecule gains one or more electrons. This electron gain increases the negative charge of the atom, leading to an overall negative charge. An example of this process is when a chlorine atom gains an electron to become a chloride ion (Cl⁻).
In contrast, when atoms lose electrons, they form positive ions known as cations. The distinction between anions and cations is fundamental in understanding the behavior of ionic compounds and their interactions in chemical reactions.
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