Hafnium
Kellee Cannon 1st Period
Symbol: Hf Atomic #: 72 atomic mass: 178.49 Protons/electrons: 72 neutrons: 106
Transition Metal Origin of Name: named by its Danish discoverer for the latin word Copenhagen (Hafnia) Discovered: George de HevesyMelting Point: 2230 Boiling Point: 4600 normal phase: solid Cost $120 for 100 grams classification: metal
Facts
Density is 13.31 good conductor of heat and electricity used in computer chips