• mén

  • 101

    Md

  • Actinoids

    Mendelevium

  • Group

  • Period

    7

  • Block

    f

Chemical element【钔】
  • Protons

    101

  • Electrons

    101

  • Neutrons

    157

钔的名字纪念门捷列夫

General Properties

Atomic Number
101
Atomic Weight
[258]
Mass Number
258
Category
Actinoids
Color
n/a
Radioactive
Yes
Discovery year
1955
Crystal Structure
n/a

History

钔在1955年被吉奥索,赛博格,肖邦,哈维和汤普森在加州大学伯克利分校发现

是用氦核轰击锿而得到

钔被用在化学鉴定和分析中
Electrons per shell
2, 8, 18, 32, 31, 8, 2
Electron Configuration
[Rn] 5f13 7s2
Md

Physical Properties

Phase
Solid
Density
-
Melting Point
1100 K | 826.85 °C | 1520.33 °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
6.58 eV
Atomic Volume
-
Thermal Conductivity
0.1 W/cm·K
Oxidation States
2, 3
Abundance in Earth's crust
Abundance in Universe
CAS Number
7440-11-1
PubChem CID Number

Applications

钔仅仅用在于科研目的
钔世第一个一次只能制造一个粒子的元素
Stable Isotopes
-
Unstable Isotopes

245Md, 246Md, 247Md, 248Md, 249Md, 250Md, 251Md, 252Md, 253Md, 254Md, 255Md, 256Md, 257Md, 258Md, 259Md, 260Md, 261Md, 262Md