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Oxygen
O
Atomic Number: 8
Atomic Weight: 15.9994
Melting Point: 50.5 K
Boiling Point: 90.20 K
Specific mass: 0.001429 g/cm3
Electronegativity: 3.04
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Sulfur
S
Atomic Number: 16
Atomic Weight: 32.065
Melting Point: 388.51 K
Boiling Point: 717.8 K
Specific mass: 2.067 g/cm3
Electronegativity: 2.58
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Selenium
Se
Atomic Number: 34
Atomic Weight: 78.96
Melting Point: 494.15 K
Boiling Point: 958 K
Specific mass: 4.809 g/cm3
Electronegativity: 2.55
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Tellurium
Te
Atomic Number: 52
Atomic Weight: 127.60
Melting Point: 722.8 K
Boiling Point: 1261 K
Specific mass: 6.232 g/cm3
Electronegativity: 2.1
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Polonium
Po
Atomic Number: 84
Atomic Weight: [210]
Melting Point: 527.15 K
Boiling Point: 1235 K
Specific mass: 9.32 g/cm3
Electronegativity: 2
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Livermorium
Lv
Atomic Number: 116
Atomic Weight: [293]
Melting Point: ? K
Boiling Point: ? K
Specific mass: ? 12.9 g/cm3
Electronegativity: ?
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