Fermium Element Half-life Isotopes Laboratory Isotope Team

Electron configurationElectron configuration is the arrangement of electrons in an atom, molecule or other body. Specifically, it is the placement of electrons into atomic, molecular, or other forms of electron orbitals. Orbitals, states, and wavefunctions Since electrons are

[ RnAstatine Radon Xe Rn Uuo Full table General Name, Symbol, NumberRadon, Rn, 86 Chemical series Noble gases Group, Period, Block 18 (VIIIA), 6 , p Density, Hardness 9. 73 kg/m3 (273 K), NA Appearance colorless Atomic properties Atomic weight [222] amu Atomi]5f¹² 7 s²

e^-The electron (also called negatron commonly represented as e&minus is a subatomic particle. In an atom the electrons surround the nucleus of protons and neutrons in an electron configuration. Electrons have the smallest electrical charge and when they mov's per energy levelAn energy level is a quantified stable energy, which a physical system can have; the term is most commonly used in reference to the electron configuration of electrons, in atoms or molecules. According to quantum theory, only certain energy levels are pos

2, 8, 18, 32, 30, 8, 2

State of matter

Presumably a solid

Most stable isotopes

isoIsotopes are atoms of a chemical element whose nuclei have the same atomic number, Z but different atomic weights, A''. The word isotope meaning at the same place comes from the fact that isotopes are located at the same place on the periodic table. The a	NANatural abundance refers to the prevalence of different isotopes of an element as found in nature. The weighted (by natural abundance) average mass of these isotopes is the atomic weight listed for the element in the periodic table. The abundance of an el	half-life	DM	DE M eV	DP
²⁵²Fm	{syn.}	25.39 h	SF α	7.153	²⁴⁸ Cf
²⁵³Fm	{syn.}	3 d	ε α	0.333 7.197	²⁵³ Es ²⁴⁹Cf
²⁵⁵Fm	{syn.}	20.07 h	SF α	7.241	²⁵¹Cf
²⁵⁷Fm	{syn.}	100.5 d	α SF	6.864	²⁵³Cf

Fermium is a synthetic element in the periodic table that has the symbol Fm and atomic number 100. A highly radioactive metallic transuranic element of the actinide series, fermium is made by bombarding plutonium with neutrons and is named after nuclear physicist Enrico Fermi.

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