• nuò

  • 102

    No

  • Actinoids

    Nobelium

  • Group

  • Period

    7

  • Block

    f

Chemical element【锘】
  • Protons

    102

  • Electrons

    102

  • Neutrons

    157

纪念诺贝尔

General Properties

Atomic Number
102
Atomic Weight
[259]
Mass Number
259
Category
Actinoids
Color
n/a
Radioactive
Yes
Discovery year
1958
Crystal Structure
n/a

History

锘在1958年被吉奥索,赛博格,沃尔顿和史可兰在加州大学伯克利分校发现

用碳核轰击锔核而得到

它在1966年被苏联弗缪洛夫实验室的科学家正确鉴定出来
Electrons per shell
2, 8, 18, 32, 32, 8, 2
Electron Configuration
[Rn] 5f14 7s2
No

Physical Properties

Phase
Solid
Density
-
Melting Point
1100.15 K | 827 °C | 1520.6 °F
Boiling Point
-
Heat of Fusion
Heat of Vaporization
Specific Heat Capacity
-

Atomic Properties

Atomic Radius
-
Covalent Radius
-
Electronegativity
1.3 (鲍林标度)
Ionization Potential
6.65 eV
Atomic Volume
-
Thermal Conductivity
0.1 W/cm·K
Oxidation States
2, 3
Abundance in Earth's crust
Abundance in Universe
CAS Number
10028-14-5
PubChem CID Number

Applications

锘仅仅用在于科研目的
锘在水中形成二价离子
Stable Isotopes
-
Unstable Isotopes

248No, 249No, 250No, 251No, 252No, 253No, 254No, 255No, 256No, 257No, 258No, 259No, 260No, 261No, 262No, 263No, 264No