Glossary

A-B-C-D-E-F-G-H-I-J-K-L-M-N-O-P-Q-R-S-T-U-V-W-X-Y-Z

Click on the alphabetic index to display terms beginning with the corresponding letter or search for a term below.

Electron volt

1.6 x 10-19 joules, the amount of kinetic energy gained by a single electron when it accelerates through an electrostatic potential difference of one volt.

Element

A chemical substance that cannot be divided into simpler substances by chemical means; atomic species with same number of protons (being the atomic number of the element).

Enriched uranium

Uranium in which the proportion of U-235 (to U-238) has been increased above the natural 0.7%. Reactor-grade uranium is usually enriched to about 3.5% U-235, weapons-grade uranium is more than 90% U-235.

Enrichment

Physical process of increasing the proportion of U-235 to U-238.

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