Neptunium is a chemical element with the symbol Np and atomic number 93. A radioactive metal,
neptunium is the first transuranic
Kaynak: Neptunium Neptunium hexafluoride (NpF 6) is the highest fluoride of
neptunium . It is an orange volatile crystalline solid. It is relatively hard to
Kaynak: Neptunium hexafluoride Neptunium(IV) oxide, or
neptunium dioxide, is a radioactive , olive green cubic crystalline solid with the formula NpO 2. It is a common
Kaynak: Neptunium(IV) oxide Due to the quite short half-life of its starting isotope
neptunium-237 (2.14 million years), the fourth chain, the
neptunium series with
Kaynak: Decay chainThe radioactive decay of uranium produces transient amounts of actinium and protactinium , and atoms of
neptunium , americium , curium ,
Kaynak: Actinideproton s) and
neptunium (93 protons) isotopes as decay product s (neglecting the wide range of daughter nuclei created by fission processes).
Kaynak: PlutoniumFollowing the lighter
neptunium , plutonium , and heavier curium , americium was the fourth transuranium element to be discovered.
Kaynak: Americiumnumber 61; astatine , number 85; francium , number 87;
neptunium , number 93; plutonium , number 94; americium , number 95; curium ,
Kaynak: Chemical elementBohemium was the name assigned to the element with atomic number 93, now known as
neptunium . It was named after Bohemia The discovery
Kaynak: BohemiumAll of the elements with higher atomic numbers, however, have been first discovered in the laboratory, with
neptunium , plutonium ,
Kaynak: Transuranium element239 U decays by beta emission to
neptunium -239, also a beta-emitter, that decays in its turn, within a few days into plutonium-239.
Kaynak: UraniumThe primary decay product s before Pu-244 are isotopes of uranium and
neptunium (neglecting the wide range of daughter nuclei created by
Kaynak: Isotopes of plutoniumOf any metal, it has one of the lowest values of thermal conductivity (after manganese , and maybe
neptunium and plutonium ) and the
Kaynak: BismuthThe minor actinides include
neptunium , americium , curium , berkelium , californium , einsteinium , and fermium . are
neptunium-237 ,
Kaynak: Minor actinideAusonium (atomic symbol Ao) was the name assigned to the element with atomic number 93, now known as
neptunium . It was named after a
Kaynak: Ausonium