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Definition of Np
Neptunium (Np) is a chemical element with the symbol Np and atomic number 93 in the periodic table. It is the first man-made chemical element, hence it does not naturally occur on Earth.
1.1 Names
1.1.1 Common name: Neptunium
1.1.2 English name: Neptunium
1.2. Atomic number: 93
1.3. Atomic mass: 237
1.4 Ion configuration: Np3+, Np4+, NpO2+ -
Properties of Np
2.1 Physical properties of Np
State of matter: Solid
Color: Black silver
Smell: Odorless
PH level: Not applicable
2.2 Chemical properties of Np: As a transition metal, it has the ability to form a variety of different compounds. -
Common chemical equations involving Np
Since Neptunium is a man-made element, chemical reactions involving Neptunium are not commonly encountered in daily life. -
Preparation of Np
4.1 Laboratory synthesis of Np:
Np is synthesized by bombarding Uranium atoms with neutrons, producing the element U-238, which then transmutes into Np-239 through a series of nuclear reactions.
4.2 Industrial synthesis of Np:
In industry, Np is usually produced by separating it from nuclear waste after the nuclear fission process.