Rhenium target

Rhenium is a chemical element, its chemical symbol is re, its atomic number is 75, and it is a silver transition metal. Characte rhenium is one of the high melting point metals with good mechanical properties and high resistance. High density, with a variety of oxidation physical properties atomic properties state: solid oxidation state: 7,6,5,4,3,2,1,0, - 1 density (close to room temperature): 21,02gcm-3 slightly acidic oxide) liquid density at melting point: 189gcm-3 electronegativity: 1.9 (Pauling scale melting point: 3459k, 3186 ° C, 5767f atomic radius: 137pm boiling point: 5869k, 5596 ° C, 10105 ° covalent radius: 151 ± 7pm melting heat: 60.43 kjmol-1 heat of vaporization: 704 kjmol-1 specific heat capacity: 25.48jmol-1-k-1)