einsteinium

created by Seumas

(thing) by Seumas (7.6 y) (print) ? I like it! Sun Mar 12 2000 at 12:37:57

A radioactive element, discovered in 1952 by A. Ghiorso and colleagues in residue from a thermonuclear explosion; a member of the ACTINIDE SERIES.

Weighable amounts have since been prepared by neutron bombardment of plutonium.

(thing) by mE123 (9.9 mon) (print) ? I like it! Mon Apr 03 2000 at 4:08:50

Basic Properties
Symbol: Es
Atomic number: 99
Atomic weight: {252}
Group name: Actinoid
Period in periodic table: 7 (actinoid)
Block in periodic table: f-block
Ground state electron configuration: Rn.5f¹¹.7s²

Physical Properties
Standard state: solid at 298 K
Colour: unknown, but probably metallic and silvery white or grey in appearance
Molar volume (/cm3): 28.52
Melting point (/K): 1133 or 860 °C (1580°F)

printable version
chaos

Actinide Series	Chemical Element Discovery Timeline	Es	fermium
Eisensteinium	californium	how to beat RAY	Periodic Table of the Elements
Actinium	Hydrogen	neutron	element
cunnilingus	ESA	OCR	Dreyfoos School of the Arts
americium	Quantum mechanics	Dvorak	berkelium
Everything Quest	Carbon	The Mighty Quinn	heavy water

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