Divalent

Divalent refers to an element or ion that carries a charge of two positive or negative units. In chemistry, it is used to describe elements that form two bonds, such as oxygen or sulfur.

Chemistry

In Chemistry, a divalent element or ion is one that has a valence of two, meaning it can form two bonds with other atoms or ions. This is often due to the element having two electrons in its outer shell that it can share with other atoms in order to form a stable compound. Examples of divalent elements include oxygen and sulfur.

Biology

In Biology, divalent ions, such as calcium and magnesium, play important roles in various biological processes. For example, calcium ions are crucial for nerve impulse transmission and muscle contraction, while magnesium ions are essential for the function of many enzymes.

Medicine

In Medicine, divalent ions are often used in medical treatments. For example, divalent cations like calcium and magnesium are used in rehydration solutions to replace lost electrolytes. Additionally, some divalent ions are used as contrast agents in medical imaging.

See also

• Valence (chemistry)
• Ion
• Calcium
• Magnesium

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