General: |
|
Name: Antimony
|
Symbol: Sb
|
|
Group: Metal, Nitrogen group
|
Atomic weight: 121.75
|
|
Density @ 293 K: 6.684 g/cm3
|
Atomic volume: 18.23 cm3/mol
|
|
Group: Metal, Nitrogen group
|
discovered: 1600
|
|
States: |
|
state (s, l, g): s
|
|
melting point: 903.94 K
|
boiling point: 1860 K
|
|
Heat of fusion: 19.870 kJ/mol
|
Heat of vaporization: 77.140 kJ/mol
|
|
Energies: |
|
1st ionization energy: 833.7 kJ/mole
|
|
electronegativity: 2.05
|
2nd ionization energy: 1594.9 kJ/mole
|
|
electron affinity: 103 kJ/mole
|
3rd ionization energy: 2441.1 kJ/mole
|
|
Specific heat: 0.21 J/gK
|
heat atomization: 262 kJ/mole atoms
|
|
Oxidation & Electrons: |
|
Shells: 2,8,18,18,5
|
electron configuration: [Kr] 4d10 5s2 5p3
|
|
minimum oxidation number: -3
|
maximum oxidation number: 5
|
|
min. common oxidation no.: 0
|
max. common oxidation no.: 5
|
|
Appearance & Characteristics: |
|
structure: rhombohedral
|
color: bluish-white
|
|
uses: Pb alloy(battery), dyeing
|
toxicity:
|
|
hardness: 3.15 mohs
|
characteristics: brittle; 5 forms
|
|
Reactions: |
|
reaction with air: mild, w/ht, =>Sb2Ox x=3-5
|
|
reaction with 6M HCl: none
|
reaction with 6M HCl: none
|
|
reaction with 15M HNO3: mild, =>Sb2O5
|
reaction with 6M NaOH: none
|
|
Other Forms: |
|
number of isotopes: 2
|
hydride(s): SbH3
|
|
oxide(s): Sb2O3 Sb2O4 Sb2O5
|
chloride(s): SbCl3 SbCl5
|
|
Radius: |
|
ionic radius (2- ion): pm
|
ionic radius (1- ion): pm
|
|
atomic radius: 140 pm
|
ionic radius (1+ ion): pm
|
|
ionic radius (2+ ion): pm
|
ionic radius (3+ ion): 90 pm
|
|
Conductivity: |
|
thermal conductivity: 24.4 J/m-sec-deg
|
|
electrical conductivity: 25.641 1/mohm-cm
|
polarizability: 6.6 A^3
|
|
Abundance: |
|
source: Stibnite (sulfide)
|
|
rel. abund. solar system: -0.510 log
|
abundance earth's crust: -0.7 log
|
|
cost, pure: 4.5 $/100g
|
cost, bulk: 0.44 $/100g
|
|
