Having a valence of two; capable of combining with two atoms or radicals in a chemical compound.
From 'di-' (two) + 'valent' (from Latin 'valens' meaning strong or capable). Used in chemistry to describe elements with a combining power of two.
Calcium, magnesium, and zinc are all divalent elements, which is why they're so important in building bones, powering muscles, and healing wounds—that dual bonding power makes them chemically versatile.
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