atoms

1. The helium atoms were locked in the mineral grains as they cooled and moved closer to the surface during the carving of the Grand Canyon.

2. atoms

2. NASA officials believed the fragile disks that held the atoms would shatter even if the capsule hit the ground with a parachute.

3. The Nobel Prize committee honored the laureates for their findings in metathesis, which focuses on how chemical bonds are broken and made between carbon atoms.

4. The extremely low temperatures were needed to reduce the amount of thermal vibration of the cobalt atoms to practically nil.

5. The three scientists reached the finish line almost simultaneously, publishing crystal structures in 2000 that were sharply defined enough to locate atoms.

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6. They reported detecting three atoms of element 118, which then was the heaviest element detected.

7. During the experiment, deuterium and tritium atoms were forced together at a temperature of 100 million Celsius.

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8. During the experiment, deuterium and tritium atoms were forced together at a temperature of 100 million degrees Celsius.

9. The purpose of ITER is to prove the feasibility of energy production by fusion of deuterium and tritium atoms.

10. Ions are atoms or molecules that have lost electrons and therefore have an electric charge.