NOBELIUM, No (102)

Nobelium is a radioactive metal with a total of twelve isotopes that are known to exist, with the most stable being 259 No with a half-life of 58 minutes. The shorter-lived 255No with a half-life of 3.1 minutes is most commonly used in chemistry because it can be produced on a larger scale.

ELEMENT BRIEF

1958 by Nobel Institute for Physics and Berkeley, California, USA.

DISCOVERY

From the named of Alfred Nobel, inventor of dynamite and benefactor of science.

ETYMOLOGY

Nobelium

ELEMENT

No

SYMBOL

102

ATOMIC NUMBER

10028-14-5

CAS NUMBER

ELEMENTAL SPECTRUM

Silver

ELEMENTAL COLOUR

-

REFRACTIVE INDEX

-

POISSON RATIO

26.172 cm³

MOLAR VOLUME

-

BRINELL HARDNESS

-

MOHS HARDNESS

-

VICKERS HARDNESS

-

SPEED OF SOUND

-

BULK MODULUS

-

SHEAR MODULUS

-

YOUNG MODULUS

ALLOTROPES

NONE

1,100.15 K, 827.00 °C

MELTING POINT

-

BOILING POINT

-

AUTOMATIC IGNITION

-

FLASHPOINT

-

CRITICAL TEMPERATURE

-

CRITICAL PRESSURE

-

THERMAL CONDUCTIVITY

-

THERMAL EXPANSION

-

SPECIFIC HEAT

-

HEAT FUSION

-

HEAT VAPORISATION

-

HEAT COMBUSTION

-

CURIE POINT

-

NEEL POINT

-

ADIABATIC INDEX

Solid

PHASE

-

ELECTRICAL TYPE

-

CONDUCTIVITY

-

RESISTIVITY

-

SUPERCONDUCTING POINT

-

MAGNETIC TYPE

-

MASS SUSCEPTIBILITY

-

MOLAR SUSCEPTIBILITY

-

VOLUME SUSCEPTIBILITY

Actinide

CLASSIFICATION

259.101'030'0

ATOMIC WEIGHT

-

ATOMIC RADIUS

176 pm

COVALENT RADIUS SINGLE BOND

159 pm

COVALENT RADIUS DOUBLE BOND

-

COVALENT RADIUS TRIPLE BOND

246 pm

VAN DER WAALS RADIUS

[Rn]7s²5f¹⁴

ELECTRON CONFIGURATION

Cubic, Face-centred

CRYSTAL STRUCTURE

9.900'00 g/cm³

DENSITY AS SOLID

-

DENSITY AS LIQUID

-

DENSITY AS GAS

-

SPACE GROUP NAME

-

SPACE GROUP NUMBER

-

LATTICE ANGLES

-

LATTICE CONSTANTS

3

VALENCE

1.3

ELECTRONEGATIVITY

-

ELECTRON AFFINITY

IONISATION ENERGY