61 pages • 2 hours read
Richard RhodesThe Making of the Atomic Bomb
Richard RhodesNonfiction | Book | Adult | Published in 1986A modern alternative to SparkNotes and CliffsNotes, SuperSummary offers high-quality Study Guides with detailed chapter summaries and analysis of major themes, characters, and more.
Index of Terms
Alpha particle
An alpha particle is a charged helium atom released from a larger atom undergoing radioactive decay. Often accompanying them during decay are “beta” and “gamma” particles.
Atomic number
The atomic number of a given element is the total number of protons in its nucleus. Hydrogen has one such proton; its atomic number is one. Helium has two protons for an atomic number of two; oxygen has eight protons and an atomic number of eight. Uranium contains 92 protons and, at 92, has the highest atomic number of the common natural elements; atoms above 92 occur almost always in laboratories.
Atomic weight
The atomic weight of a given element is the total number of protons and neutrons in its nucleus. Some elements have multiple atomic weights due to varying numbers of neutrons in their nuclei; these are the isotopes of a given element.
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