Which term refers to a positively charged ion?

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Prepare for the ECPI Anatomy and Physiology AandP Exam 1. Utilize multiple choice questions and flashcards with detailed explanations. Enhance your knowledge and be exam-ready!

Multiple Choice

Which term refers to a positively charged ion?

Explanation:
A positively charged ion is called a cation. Ions are atoms or molecules that have a net electrical charge because they have gained or lost electrons. When an atom loses electrons, there are more protons than electrons, giving it a positive charge—this is a cation. If an atom gains electrons, it becomes negatively charged and is an anion. An electron is a negatively charged subatomic particle, not an ion by itself, while a proton is positively charged but is not an ion in typical chemical contexts. So the term for a positively charged ion is cation.

A positively charged ion is called a cation. Ions are atoms or molecules that have a net electrical charge because they have gained or lost electrons. When an atom loses electrons, there are more protons than electrons, giving it a positive charge—this is a cation. If an atom gains electrons, it becomes negatively charged and is an anion. An electron is a negatively charged subatomic particle, not an ion by itself, while a proton is positively charged but is not an ion in typical chemical contexts. So the term for a positively charged ion is cation.

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