Mechanical Properties of Roentgenium and Promethium

Roentgenium

Promethium

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1 Mechanical

1.1 Density

1.1.1 Density At Room Temperature

28.70 g/cm³7.26 g/cm³

0.534 40.7

1.1.2 Density When Liquid (at m.p.)

NANA

0.512 20

1.2 Tensile Strength

NANA

2.5 11000

1.3 Viscosity

NANA

0.001526 0.001526

1.4 Vapor Pressure

1.4.1 Vapor Pressure at 1000 K

NANA

2.47E-11 121

1.4.2 Vapor Pressure at 2000 K

NANA

2.62E-10 774

1.5 Elasticity properties

1.5.1 Shear Modulus

NA18.00 GPa

1.3 222

1.5.2 Bulk Modulus

NA33.00 GPa

1.6 462

1.5.3 Young's Modulus

NA46.00 GPa

1.7 528

1.6 Poisson Ratio

NA0.28

0.032 0.47

1.7 Other Mechanical Properties

Unknown

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