Compare Element Properties

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Property	Hf Hafnium	? N/A
Atomic number	72	N/A
Symbol	Hf	N/A
Name	Hafnium	N/A
Category	transition-metal	N/A
Standard Atomic Weight	178.49 u	N/A
Period	6	N/A
Group	4	N/A
Block	s	N/A
Phase at STP	solid	N/A
Electron configuration	[Xe]6s24f145d2	N/A
Oxidation states	[-2, 0, 1, 2, 3, 4]	N/A
Electronegativity (Pauling)	1.3	N/A
Electron affinity	0.178 eV	N/A
Density	1.330000e+4 kg/m³	N/A
Melting point	2232.85 °C	N/A
Boiling point	4602.85 °C	N/A
Discovery year	1911	N/A