How many electrons does fermium have?

How many electrons does fermium have?

Fermium/Electrons per shell

What is the Valency of fermium?

Fermium is an actinoid atom and a f-block element atom. A man-made radioactive actinide with atomic symbol Fm, and atomic number 100. Its known isotopes range from 244-254 and 256-258. Its valence can be +2 or +3.

What is the electron configuration of fermium?

Rn 5f12 7s2
Fermium/Electron configuration

What group is fermium in the periodic table?

Fact box

Group Actinides Melting point
Period 7 Boiling point
Block f Density (g cm−3)
Atomic number 100 Relative atomic mass
State at 20°C Solid Key isotopes

How many protons are in fermium?

Fermium/Atomic number

How many protons does fermium contain?

Fermium is a synthetic element with the symbol Fm and atomic number 100. It is an actinide and the heaviest element that can be formed by neutron bombardment of lighter elements, and hence the last element that can be prepared in macroscopic quantities, although pure fermium metal has not yet been prepared.

What type of metal is fermium?


What is the symbol for fermium?


What is the atomic mass of fermium?

What is fermium made of?

Fermium (as the isotope fermium-255) is produced by the intense neutron irradiation of uranium-238 and was first positively identified by American chemist Albert Ghiorso and coworkers at Berkeley, California, in debris taken from the first thermonuclear (hydrogen bomb) test explosion (November 1952), “Mike,” in the …

What is fermium atomic mass?

257 u
Fermium/Atomic mass

How many neutrons are in fermium atom?

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