Nobelium

Nobelium is a synthetic element with the symbol No and atomic number 102.

General
Name, Symbol, Number	nobelium, No, 102
Chemical series	actinides
Group, Period, Block	n/a, 7, f
Appearance	unknown, probably silvery white or metallic gray
Standard atomic weight	[259] g·mol^-1
Electrons per shell	2, 8, 18, 32, 32, 8, 2
Physical properties
Phase	solid
Atomic properties
Oxidation states	2, 3
Electronegativity	(Pauling scale)
Ionization energies	1st: 641.6 kJ/mol
	2nd: 1254.3 kJ/mol
	3rd: 2605.1 kJ/mol
Miscellaneous
CAS registry number	10028-14-5

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