Nobelium (symbol No) is element number 102 of the periodic table and belongs to the “Actinide” category. Its atomic mass is about 259, and its phase under standard conditions is Solid. This element sits in period 7 and the f-block (Actinides) of the periodic table, and its electrons are arranged in shells of 2, 8, 18, 32, 32, 8, 2. The short electron configuration of Nobelium is [Rn] 5f¹⁴ 7s². Known uses of Nobelium include Scientific research.
Nobelium is a radioactive, mostly synthetic element; its data may be based on limited experiments or theoretical prediction.
The electron configuration of Nobelium (No), with 102 electrons, is shown below. The last shell (shell 7) is highlighted:
Distribution of 102 electrons of Nobelium across shells K to Q:
The actinides are the 15 elements from actinium to lawrencium, part of the f-block, and all of them are radioactive.
The atomic number of Nobelium (No) is 102; that is, every atom of it has 102 protons.
The electron configuration of Nobelium (No) is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 5d¹⁰ 5f¹⁴ 6s² 6p⁶ 7s²; in short form it is [Rn] 5f¹⁴ 7s², and its last shell is 7s².
The chemical symbol of Nobelium is No.
Nobelium is located in period 7 and the f-block (Actinides) and belongs to the “Actinide” category.
The atomic mass of Nobelium is about 259 (atomic mass units).
The phase of Nobelium under standard conditions is Solid.
Uses of Nobelium include Scientific research.
Nobelium was discovered by Dubna Research Institute in 1966.
Actinium (Ac)Thorium (Th)Protactinium (Pa)Uranium (U)Neptunium (Np)Plutonium (Pu)Americium (Am)Curium (Cm)Berkelium (Bk)Californium (Cf)Einsteinium (Es)Fermium (Fm)Mendelevium (Md)Lawrencium (Lr)
