| 1. | The instrument is sensitive to all chemical elements except hydrogen and helium.
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| 2. | The graph thus reveals the chemical elements of material in the objects.
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| 3. | Ceramic solids are composed of inorganic compounds, usually oxides of chemical elements.
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| 4. | Absorption rates vary by many orders of magnitude among the chemical elements.
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| 5. | Indeed, the nuclear reactions in stars produce every naturally occurring chemical element.
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| 6. | Where do we have organics ( the chemical elements of life )?
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| 7. | For 80 of the chemical elements, at least one stable isotope exists.
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| 8. | But the " dope " consists of chemical elements that do conduct.
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| 9. | Hydrogen ( H ) is the chemical element with atomic number 1.
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| 10. | In 1789 the chemical element uranium was discovered in pitchblende from Johanngeorgenstadt.
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