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Manganese
Mn
Atomic Number: 25
Atomic Weight: 54.938045
Melting Point: 1519.15 K
Boiling Point: 2334 K
Specific mass: 7.44 g/cm3
Electronegativity: 1.55
Technetium
Tc
Atomic Number: 43
Atomic Weight: [98]
Melting Point: 2473.15 K
Boiling Point: 5150 K
Specific mass: 11.5 g/cm3
Electronegativity: 1.9
Rhenium
Re
Atomic Number: 75
Atomic Weight: 186.207
Melting Point: 3453.15 K
Boiling Point: 5869 K
Specific mass: 21.02 g/cm3
Electronegativity: 1.9
Bohrium
Bh
Atomic Number: 107
Atomic Weight: [270]
Melting Point: ? K
Boiling Point: ? K
Specific mass: ? 37 g/cm3
Electronegativity: ?
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