To form a chelate complex, where a molecule uses multiple points of attachment to grip a metal ion like a claw.
From Greek 'chele' (claw) plus chemistry suffix '-ate.' The term was coined in the early 1900s by chemists who noticed how organic molecules gripped metals.
Chelation therapy is literally described as 'claw-grip' chemistry—the word comes from the Greek term for crab claws because the molecules grab metal ions the way a crab grabs food!
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