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Example Sentences
Most of the atoms in a newborn star system are hydrogen, which is the lightest chemical element.
The chemical element is as much a manysided system as the organic cell or the whole vegetable kingdom.
Selenium, the chemical element used in the operation, transmits the sound to the telephone, and your spoken word is reproduced.
We take it as 18, because it contains eighteen ultimate atoms, the smallest number we have found in a chemical element.
This principle of the “conservation of weight” led at once to a simple and unmistakable definition of a chemical element.
When a substance unites with the active chemical element in air—the oxygen gas—it is said to be oxidised.
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