Periodic Table Element Comparison: Compare Elements - Lead vs Hafnium

Compare Lead and Hafnium on the basis of their properties, attributes and periodic table facts. Compare elements on more than 90 properties. All the elements of similar categories show a lot of similarities and differences in their chemical, atomic, physical properties and uses. These similarities and dissimilarities should be known while we study periodic table elements. You can study the detailed comparison between Lead vs Hafnium with most reliable information about their properties, attributes, facts, uses etc. You can compare Pb vs Hf on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more. Lead and Hafnium comparison table on more than 90 properties.

Lead and Hafnium Comparison

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1
1
H
Hydrogen
1.008

Atomic #

Electronic Shell #

Symbol
Name
Atomic Weight
HGas
HgLiquid
CSolid
Metals
Metalloids
NonMetals
Alkali metals
Alkali earth metals
Lanthanoids
Transition metals
Post-transition metals
Other nonmetals
Halogens
Nobel gas
Actinoids
2
He
Helium
4.003
2
3
Li
Lithium
6.941
4
Be
Beryllium
9.012
5
B
Boron
10.811
6
C
Carbon
12.011
7
N
Nitrogen
14.007
8
O
Oxygen
15.999
9
F
Fluorine
18.998
10
Ne
Neon
20.180
3
11
Na
Sodium
22.990
12
Mg
Magnesium
24.305
13
Al
Aluminium
26.982
14
Si
Silicon
28.085
15
P
Phosphorus
30.974
16
S
Sulfur
32.065
17
Cl
Chlorine
35.453
18
Ar
Argon
39.948
4
19
K
Potassium
39.098
20
Ca
Calcium
40.078
21
Sc
Scandium
44.956
22
Ti
Titanium
47.867
23
V
Vanadium
50.941
24
Cr
Chromium
51.996
25
Mn
Manganese
54.938
26
Fe
Iron
55.845
27
Co
Cobalt
58.933
28
Ni
Nickel
58.693
29
Cu
Copper
63.546
30
Zn
Zinc
65.409
31
Ga
Gallium
69.723
32
Ge
Germanium
72.640
33
As
Arsenic
74.922
34
Se
Selenium
78.960
35
Br
Bromine
79.904
36
Kr
Krypton
83.798
5
37
Rb
Rubidium
85.468
38
Sr
Strontium
87.620
39
Y
Yttrium
88.906
40
Zr
Zirconium
91.224
41
Nb
Niobium
92.906
42
Mo
Molybdenum
95.940
43
Tc
Technetium
98
44
Ru
Ruthenium
101.070
45
Rh
Rhodium
102.906
46
Pd
Palladium
106.420
47
Ag
Silver
107.868
48
Cd
Cadmium
112.411
49
In
Indium
114.818
50
Sn
Tin
118.710
51
Sb
Antimony
121.760
52
Te
Tellurium
127.600
53
I
Iodine
126.904
54
Xe
Xenon
131.293
6
55
Cs
Cesium
132.905
56
Ba
Barium
137.327
57 - 71
La - Lu
Lanthanides
72
Hf
Hafnium
178.490
73
Ta
Tantalum
180.948
74
W
Tungsten
183.840
75
Re
Rhenium
186.207
76
Os
Osmium
190.230
77
Ir
Iridium
192.217
78
Pt
Platinum
195.078
79
Au
Gold
196.967
80
Hg
Mercury
200.590
81
Tl
Thallium
204.383
82
Pb
Lead
207.200
83
Bi
Bismuth
208.980
84
Po
Polonium
209
85
At
Astatine
210
86
Rn
Radon
222
7
87
Fr
Francium
223
88
Ra
Radium
226
89 - 103
Ac - Lr
Actinides
104
Rf
Rutherfordium
261
105
Db
Dubnium
262
106
Sg
Seaborgium
266
107
Bh
Bohrium
264
108
Hs
Hassium
269
109
Mt
Meitnerium
268
110
Ds
Darmstadtium
281
111
Rg
Roentgenium
272
112
Cn
Copernicium
285
113
Nh
Nihonium
284
114
Fl
Flerovium
289
115
Mc
Moscovium
288
116
Lv
Livermorium
292
117
Ts
Tennessine
294
118
Og
Oganesson
294
Lanthanides
57
La
Lanthanum
138.905
58
Ce
Cerium
140.116
59
Pr
Praseodymium
140.908
60
Nd
Neodymium
144.240
61
Pm
Promethium
145
62
Sm
Samarium
150.360
63
Eu
Europium
151.964
64
Gd
Gadolinium
157.250
65
Tb
Terbium
158.925
66
Dy
Dysprosium
162.500
67
Ho
Holmium
164.930
68
Er
Erbium
167.259
69
Tm
Thulium
168.934
70
Yb
Ytterbium
173.040
71
Lu
Lutetium
174.967
Actinides
89
Ac
Actinium
227
90
Th
Thorium
232.038
91
Pa
Protactinium
231.036
92
U
Uranium
238.029
93
Np
Neptunium
237
94
Pu
Plutonium
244
95
Am
Americium
243
96
Cm
Curium
247
97
Bk
Berkelium
247
98
Cf
Californium
251
99
Es
Einsteinium
252
100
Fm
Fermium
257
101
Md
Mendelevium
258
102
No
Nobelium
259
103
Lr
Lawrencium
262

Facts

NameLeadHafnium
Atomic Number8272
Atomic SymbolPbHf
Atomic Weight207.2 178.49
Phase at STPSolid Solid
ColorSlateGray Gray
Metallic ClassificationPost Transition Metal Transition Metal
Group in Periodic Tablegroup 14 group 4
Group Namecarbon familytitanium family
Period in Periodic Tableperiod 6 period 6
Block in Periodic Tablep -blockd -block
Electronic Configuration[Xe] 4f14 5d10 6s2 6p2 [Xe] 4f14 5d2 6s2
Electronic Shell Structure (Electrons per shell)2, 8, 18, 32, 18, 42, 8, 18, 32, 10, 2
Melting Point600.61 K2506 K
Boiling Point2022 K4876 K
CAS NumberCAS7439-92-1 CAS7440-58-6
Neighborhood ElementsNeighborhood Elements of LeadNeighborhood Elements of Hafnium

History

ParameterLeadHafnium
HistoryThe element Lead was discovered by Africans in year 7000 BCE. Lead derived its name from English word (plumbum in Latin).The element Hafnium was discovered by D. Coster and G. von Hevesy in year 1922 in Denmark. Hafnium derived its name from Hafnia, the New Latin name for Copenhagen.
DiscoveryAfricans (7000 BCE)D. Coster and G. von Hevesy (1922)
IsolatedAbydos, Egypt (3800 BCE)D. Coster and G. von Hevesy (1922)

Presence: Abundance in Nature and Around Us

Parts per billion (ppb) by weight / by atoms (1ppb =10^-7 %)

PropertyLeadHafnium
Abundance in Universe10 / 0.060.7 / 0.005
Abundance in Sun10 / 0.071 / 0.01
Abundance in Meteorites1400 / 100170 / 20
Abundance in Earth's Crust10000 / 10003300 / 380
Abundance in Oceans0.03 / 0.000900.008 / 0.00028
Abundance in Humans1700 / 50- / -

Crystal Structure and Atomic Structure

PropertyLeadHafnium
Atomic Volume18.27 cm3/mol13.44 cm3/mol
Atomic Radius154 pm208 pm
Covalent Radius147 pm150 pm
Van der Waals Radius202 pm-

Atomic Spectrum - Spectral Lines

Emission SpectrumEmission Spectrum of Lead | SchoolMyKidsEmission Spectrum of Hafnium | SchoolMyKids
Absorption SpectrumAbsorption Spectrum of Lead | SchoolMyKidsAbsorption Spectrum of Hafnium | SchoolMyKids
Lattice Constant495.08, 495.08, 495.08 pm319.64, 319.64, 505.11 pm
Lattice Angleπ/2, π/2, π/2π/2, π/2, 2 π/3
Space Group NameFm_ 3m P63/mmc
Space Group Number225 194
Crystal Structure

Face Centered Cubic

82 Pb Lead - Crystal Structure | SchoolMyKids

Simple Hexagonal

72 Hf Hafnium - Crystal Structure | SchoolMyKids

Atomic and Orbital Properties

PropertyLeadHafnium
Atomic Number8272
Number of Electrons (with no charge)8272
Number of Protons8272
Mass Number207.2178.49
Number of Neutrons125106
Shell structure (Electrons per energy level)2, 8, 18, 32, 18, 42, 8, 18, 32, 10, 2
Electron Configuration[Xe] 4f14 5d10 6s2 6p2 [Xe] 4f14 5d2 6s2
Valence Electrons6s2 6p2 5d2 6s2
Oxidation State2, 44
Atomic Term Symbol (Quantum Numbers)3P0 3F2
Shell structure82 Pb Lead Electron Shell Structure | SchoolMyKids72 Hf Hafnium Electron Shell Structure | SchoolMyKids

Isotopes and Nuclear Properties

Lead has 4 stable naturally occuring isotopes while Hafnium has 5 stable naturally occuring isotopes.

ParameterLeadHafnium
Known Isotopes178Pb, 179Pb, 180Pb, 181Pb, 182Pb, 183Pb, 184Pb, 185Pb, 186Pb, 187Pb, 188Pb, 189Pb, 190Pb, 191Pb, 192Pb, 193Pb, 194Pb, 195Pb, 196Pb, 197Pb, 198Pb, 199Pb, 200Pb, 201Pb, 202Pb, 203Pb, 204Pb, 205Pb, 206Pb, 207Pb, 208Pb, 209Pb, 210Pb, 211Pb, 212Pb, 213Pb, 214Pb, 215Pb153Hf, 154Hf, 155Hf, 156Hf, 157Hf, 158Hf, 159Hf, 160Hf, 161Hf, 162Hf, 163Hf, 164Hf, 165Hf, 166Hf, 167Hf, 168Hf, 169Hf, 170Hf, 171Hf, 172Hf, 173Hf, 174Hf, 175Hf, 176Hf, 177Hf, 178Hf, 179Hf, 180Hf, 181Hf, 182Hf, 183Hf, 184Hf, 185Hf, 186Hf, 187Hf, 188Hf
Stable IsotopesNaturally occurring stable isotopes:

204Pb, 206Pb, 207Pb, 208Pb

Naturally occurring stable isotopes:

176Hf, 177Hf, 178Hf, 179Hf, 180Hf

Neutron Cross Section 0.171 104
Neutron Mass Absorption 0.00003 0.02

Chemical Properties: Ionization Energies and electron affinity

PropertyLeadHafnium
Valence or Valency4 4
Electronegativity2.33 Pauling Scale1.3 Pauling Scale
Electron Affinity35.1 kJ/mol0 kJ/mol
Ionization Energies
1st: 715.6 kJ/mol
2nd: 1450.5 kJ/mol
3rd: 3081.5 kJ/mol
4th: 4083 kJ/mol
5th: 6640 kJ/mol
1st: 658.5 kJ/mol
2nd: 1440 kJ/mol
3rd: 2250 kJ/mol
4th: 3216 kJ/mol

Physical Properties

PropertyLeadHafnium
Density11.34 g/cm313.31 g/cm3
Molar Volume18.27 cm3/mol13.44 cm3/mol

Elastic Properties

Young Modulus16 78
Shear Modulus5.6 GPa30 GPa
Bulk Modulus46 GPa110 GPa
Poisson Ratio0.44 0.37

Hardness - Tests to Measure of Hardness of Element

Mohs Hardness1.5 MPa5.5 MPa
Vickers Hardness- 1760 MPa
Brinell Hardness38.3 MPa1700 MPa

Electrical Properties

Electrical Conductivity4800000 S/m3300000 S/m
Resistivity 2.1e-7 m Ω3e-7 m Ω
Superconducting Point7.2 0.128

Heat and Conduction Properties

Thermal Conductivity35 W/(m K)23 W/(m K)
Thermal Expansion0.0000289 /K0.0000059 /K

Magnetic Properties

Magnetic TypeDiamagnetic Paramagnetic
Curie Point- -
Mass Magnetic Susceptibility-1.5e-9 m3/kg5.3e-9 m3/kg
Molar Magnetic Susceptibility-3.11e-10 m3/mol9.46e-10 m3/mol
Volume Magnetic Susceptibility-0.000017 0.0000705

Optical Properties

Refractive Index- -

Acoustic Properties

Speed of Sound1260 m/s3010 m/s

Thermal Properties - Enthalpies and thermodynamics

PropertyLeadHafnium
Melting Point600.61 K2506 K
Boiling Point2022 K4876 K
Critical Temperature- -
Superconducting Point7.2 0.128

Enthalpies

Heat of Fusion4.77 kJ/mol25.5 kJ/mol
Heat of Vaporization178 kJ/mol630 kJ/mol
Heat of Combustion- -

Regulatory and Health - Health and Safety Parameters and Guidelines

ParameterLeadHafnium
CAS NumberCAS7439-92-1 CAS7440-58-6
RTECS NumberRTECSOF7525000 RTECSMG4600000
DOT Hazard Class- 4.2
DOT Numbers3077 2545
EU Number- -
NFPA Fire Rating0 -
NFPA Health Rating2 -
NFPA Reactivity Rating0 -
NFPA Hazards- -
AutoIgnition Point- -
Flashpoint- -

Compare With Other Elements

Compare Lead and Hafnium with other elements of the periodic table.

Compare Lead with all Group 14 elements

Compare Lead with all Period 6 elements

Compare Lead with all Post Transition Metal elements

Compare Hafnium with all Group 4 elements

Compare Hafnium with all Period 6 elements

Compare Hafnium with all Transition Metal elements