Americium’s symbol is Am.

Atomic Number:

Americium’s atomic number 95.

Atomic mass:

Americium’s atomic mass 243.


Americium’s appearance is silvery-white, radioactive metal.

Melting point:

Americium’s melting point is 2,149 °F.

Boiling Point:

Americium’s boiling point is 3,652 °F.


Americium’s density is 13.69 grams per cubic centimeter.

Where its name comes from:

Americium is named after the Americas.


Americium’s phase is solid.

Discovered by:

Americium was found by the scientist Glenn T.Seaborg.  Glenn T. Seaborg was born in April 19, 1912, Ishpeming, MI, and died in February 25, 1999, Lafayette, CA.

When was americium discovered:

Americium was found in the late autumn of 1944.

What it’s used for:

Smoke detectors.

Where it can be found:

It’s man-made.

Electron shells:

Americium’s electron shells are 2, 8, 18, 32, 25, 8, 2.

Amount of Neutrons:

Americium has 148 neutrons.


Americium is a stable element.