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Chromium Cr Atomic Number: 24 Atomic Weight: 51.9961 Melting Point: 2130.15 K Boiling Point: 2944 K Specific mass: 7.15 g/cm3 Electronegativity: 1.66
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Molybdenum Mo Atomic Number: 42 Atomic Weight: 95.96 Melting Point: 2890.15 K Boiling Point: 4912 K Specific mass: 10.22 g/cm3 Electronegativity: 2.16
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Tungsten W Atomic Number: 74 Atomic Weight: 183.84 Melting Point: 3680.15 K Boiling Point: 5828 K Specific mass: 19.25 g/cm3 Electronegativity: 2.36
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Seaborgium Sg Atomic Number: 106 Atomic Weight: [269] Melting Point: ? K Boiling Point: ? K Specific mass: ? 35 g/cm3 Electronegativity: ?
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