List of elements
 » Argon
 » Boron
 » Gold
 » Iron
 » Lead
 » Neon
 » Radon
 » Tin
 » Xenon
 » Zinc

Es - einsteinium - METAL ACTINIDES

860°
252
2
3
99
Es
[Rn] 5f11 7s2
2
8
18
32
29
8
2
1.3
6.42
Synthetic
Radioactive
Liquid
Gaseous
einsteinium Electronic configuration diagram
Electronic configuration diagram

Name einsteinium
Number 99
Atomic 252
Symbol Es
Fusion 860
Boiling 0
Density 8.84
Period 7
Group 0
Discovery 1952 Ghiorso et al.
Abundance 0
Radius 0
Electronegativity 1.3
Ionization 6.42
Number of isotopes 123
Electronic configuration [Rn] 5f11 7s2
Oxidation states 2,3
Electron by energy level 2,8,18,32,29,8,2