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Hace 3 días · Learn about the basic building block of matter and chemistry, its subatomic particles, and its chemical properties. Explore the history of atomic theory and the periodic table of elements.
Hace 2 días · Atomic radii may be derived from the distances between two nuclei when the two atoms are joined in a chemical bond. The radius varies with the location of an atom on the atomic chart, the type of chemical bond, the number of neighboring atoms (coordination number) and a quantum mechanical property known as spin.
Hace 2 días · Nuclear power is the use of nuclear reactions to produce electricity. Nuclear power can be obtained from nuclear fission, nuclear decay and nuclear fusion reactions. Presently, the vast majority of electricity from nuclear power is produced by nuclear fission of uranium and plutonium in nuclear power plants.
Hace 2 días · In quantum mechanics, an atomic orbital (/ ˈ ɔːr b ɪ t ə l /) is a function describing the location and wave-like behavior of an electron in an atom. This function describes the electron's charge distribution around the atom's nucleus, and can be used to calculate the probability of finding an electron in a specific region around the nucleus.
Hace 4 días · International Atomic Energy Agency (IAEA), autonomous intergovernmental organization dedicated to increasing the contribution of atomic energy to the world’s peace and well-being and ensuring that agency assistance is not used for military purposes. The IAEA and its director general, Mohamed
Hace 2 días · Modern atomic theory, or more specifically quantum theory, describes an electron as not occupying a circular orbit at a fixed distance from the nucleus, unlike in the Bohr model. Instead, the electron can occupy a range of different positions, although with differing probabilities.
Hace 5 días · It has been 75 years since the United States dropped the world’s first atomic bomb on Hiroshima, Japan, leveling the city and killing some 150,000 people. The horrifying aftermath of that attack ...
