 |
93 Np Neptunium (plaintext) |
 |
|
|
H He |
|
Li Be B C N O F Ne |
|
Na Mg Al Si P S Cl Ar |
|
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr |
|
Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe |
|
Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn |
|
Fr Ra Ac Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og |
|
|
|
Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu |
|
Th Pa U [Np]Pu Am Cm Bk Cf Es Fm Md No Lr |
|
|
 |
Left |
|
Up |
|
Down |
|
Right |
|
List All |
|
|
|
+--------------------+ |
|
| 93 _ _ | |
|
| | \ | |_ __ | |
|
| | \| | '_ \ | |
|
| | |\ | |_) | | |
|
| |_| \_| .__/ | |
|
| |_| | |
|
| Neptunium | |
|
| 237.048172 u | |
|
+--------------------+ |
|
|
|
Wiki Article: Neptunium |
|
Electron Configuration: [Rn]7s2 5f4 6d1 |
|
Electronegativity: 1.36 |
|
Atomic Radius: 221 pm |
|
Ionization Energy: 6.266 eV |
|
Electron Affinity: |
|
Oxidation States: +6, +5, +4, +3 |
|
Standard State: Solid |
|
Melting Point: 917 K |
|
Boiling Point: 4175 K |
|
Density: 20.25 g/cm3 |
|
Family: Actinide |
|
Year Discovered: 1940 |
|
Number of Neutrons: 144 |
|
Number of Protons: 93 |
|
Number of Electrons: 93 |
|
Number of Valence: |
|
Valency: |
|
Group: |
|
Period: 7 |
|
Shell: f-shell |
|
Specific Heat: |
|
Radioactive: 1 |
|
Occurrence: Rare |
|
Source: Radioactive decay |
