Cation (Medical Definition) | Quick Explainer Video

What is a Cation? This video covers the medical definition and provides a brief overview of this topic.
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➡️ Ion Definition
If an atom has an unbalanced number of electrons, it becomes charged and is known as an ion. Ions can have either a positive or negative charge. An ion that has more electrons than protons has a negative charge and is known as an anion.

➡️ Cation Definition
A cation has more protons than electrons which makes it positively charged, and this is the ion that we're focusing on in this video. In order for a cation to form, one or more electrons must be lost. And for this to happen, it typically means that they have been pulled away by other atoms with a stronger affinity. The number of electrons lost indicates the charge of the ion and is shown after the chemical symbol.

➡️ For example:
If silver (Ag) were to lose one electron, then it would be shown as Ag+. It's actually possible to predict whether an atom will form an anion or cation by looking at its position on the periodic table.

➡️ For example:
Halogens always form anions whereas alkali and alkaline earth metals always form cations. Most nonmetals such as carbon, oxygen, and sulfur form anions. Most metals such as silver, iron, and nickel typically form cations. Some elements are able to form both anions and cations under certain conditions. An example of this is hydrogen which can gain an electron to become (H-) or lose an electron to become (H+). The elements that are located in group 18 of the periodic table are known as noble gases. They typically do not form ions because their arrangement of electrons makes them unreactive.

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🚑MEDICAL DISCLAIMER
This content is for educational and informational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Please consult with a physician with any questions that you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you watch in this video. We strive for 100% accuracy, but errors may occur, and medications, protocols, and treatment methods may change over time.

💡AFFILIATE DISCLAIMER
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⏰TIMESTAMPS
0:00 - Intro
0:27 - Ion Definition
0:40 - Cation Definition
1:10 - Silver Example
1:32 - Halogens

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#Anion #Cation #Ion