Chemicool
Lr
103
(260)
Lawrencium
General
|
States
|
Energies
|
Oxidation & Electrons
|
Appearance & Characteristics
Reactions
|
Other Forms
|
Radius
|
Conductivity
|
Abundance
Encyclopedia Britannica articles
General
Name
Lawrencium
Symbol
Lr
atomic number
103
Atomic weight
(260)
Density @ 293 K
?
Atomic volume
?
Group
Rare Earth, Actinides
discovered
1961
States
state (s, l, g)
melting point
K
boiling point
K
Heat of fusion
?
Heat of vaporization
?
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Energies
1st ionization energy
kJ/mole
electronegativity
2nd ionization energy
kJ/mole
electron affinity
kJ/mole
3rd ionization energy
kJ/mole
Specific heat
?
heat atomization
kJ/mole atoms
Oxidation & Electrons
Shells
2,8,18,32,32,9,2
electron configuration
[Rn] 5f14 6d1 7s2
minimum oxidation number
0
maximum oxidation number
3
min. common oxidation no.
0
max. common oxidation no.
3
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Appearance & Characteristics
structure
color
uses
toxicity
hardness
mohs
characteristics
Radioactive,few atms made
Reactions
reaction with air
reaction with 6M HCl
reaction with 6M HCl
reaction with 15M HNO3
reaction with 6M NaOH
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Other Forms
number of isotopes
0
hydride(s)
oxide(s)
chloride(s)
Radius
ionic radius (2- ion)
pm
ionic radius (1- ion)
pm
atomic radius
pm
ionic radius (1+ ion)
pm
ionic radius (2+ ion)
pm
ionic radius (3+ ion)
pm
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Conductivity
thermal conductivity
J/m-sec-deg
electrical conductivity
1/mohm-cm
polarizability
A^3
Abundance
source
Synthetic
rel. abund. solar system
log
abundance earth's crust
log
cost, pure
$/100g
cost, bulk
$/100g
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