Fission

Science / Chemistry / Fission: A nuclear reaction in which an atomic nucleus breaks into smaller nuclei of comparable mass, releasing a large amount of energy.

Nuclear Fission

Science / Chemistry / Nuclear Fission: Splitting of a nucleus into two smaller nuclei and neutrons. The smaller nuclei have higher binding energy than the original nucleus, and fission results in the release of energy. MORE

Binary Fission

Science / Biology / Binary Fission: The method by which bacteria reproduce. The circular DNA molecule is replicated; then the cell splits into two identical cells, each containing an exact copy of the original cells DNA. MORE

Cadmium (Cd)

Science / Periodic Table of Elements / Cadmium (Cd): Atomic number: 48, Atomic mass: 112.4 g.mol -1, Electronegativity: 1.7, Density: 8.7 g.cm-3 at 20°C, Melting point: 321 °C, Boiling point: 767 °C, Vanderwaals radius: 0.154 nm, Ionic radius: 0.097 MORE

Krypton (Kr)

Science / Periodic Table of Elements / Krypton (Kr): Atomic number: 36, Atomic mass: 83.80 g.mol -1, Density: 3.73 10-3 g.cm-3 at 20°C, Melting point: - 157 °C, Boiling point: - 153° C, Vanderwaals radius: 0.197 nm, Isotopes: 15, Electronic shell: [ MORE

Uranium (U)

Science / Periodic Table of Elements / Uranium (U): Atomic number: 92, Atomic mass: 238.03 g.mol -1, Electronegativity: 1.7, Density: 18.95 g.cm-3 at 20°C, Meltin point: 1132 °C, Boiling point: 3818 °C, Vanderwaals radius: 0.121 nm, Ionic radius: 0. MORE

Technetium (Tc)

Science / Periodic Table of Elements / Technetium (Tc): Atomic number: 43, Atomic mass: (99) g.mol -1, Electronegativity: 1.9, Density: 11.5 g.cm-3 at 20°C, Melting point: 2200 oC, Boiling point: 4877 oC, Vanderwaals radius: 0.128 nm, Isotopes: 9, Electro MORE

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