Which of the following elements would typically gain electrons to form an anion? A) Chlorine B) Iron C) Sodium D) Calcium
Understand the Problem
The question is asking which of the listed elements typically gains electrons to form an anion. An anion is a negatively charged ion formed by the addition of one or more electrons. We need to identify which element is most likely to gain electrons based on its position in the periodic table and its chemical properties.
Answer
Chlorine
The final answer is Chlorine.
Answer for screen readers
The final answer is Chlorine.
More Information
Chlorine is a halogen and part of group 17 on the periodic table. These elements typically gain one electron to form an anion with a charge of -1 because they aim to achieve a full outer electron shell, similar to noble gases.
Tips
A common mistake is to identify metals (like iron, sodium, and calcium) as elements that gain electrons, whereas they typically lose electrons.
Sources
- Ions - csbsju - College of Saint Benedict - employees.csbsju.edu
- Cation vs Anion: Definition, Chart and the Periodic Table - technologynetworks.com
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