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I'm not sure if I first saw this type of thread of these forums, but anyway in case you don't know the rules you simply have to insult the last person who posts a reply. For example:
Chaos - You are a joke.
Snake11 - haahaa 1st rply!!11 Pwnndd!!!1one
Chaos - Begin
You see? It's all in good fun, so don't take any offence :]
Ready?
Chaos - You are a joke.
Snake11 - haahaa 1st rply!!11 Pwnndd!!!1one
Chaos - Begin
You see? It's all in good fun, so don't take any offence :]
Ready?
Page:
Lead
Symbol: Pb
Atomic Number: 82
Atomic Weight: 207.2
Element Group: Basic Metal
Discovery: Known to the ancients, with a history dating back at least 7000 years. Mentioned in the book of Exodus.
Name Origin: Anglo-Saxon: lead; symbol from Latin: plumbum.
Density (g/cc): 11.35
Melting Point (°K): 600.65
Boiling Point (°K): 2013
Properties: Lead is an extremely soft, highly malleable and ductile, poor electrical conductor, resistant to corrosion, blue-white shiny metal that tarnishes to dull gray in air. Lead is the only metal in which there is zero Thomson effect. Lead is a cumulative poison.
Atomic Radius (pm): 175
Atomic Volume (cc/mol): 18.3
Covalent Radius (pm): 147
Ionic Radius: 84 (+4e) 120 (+2e)
Specific Heat (@20°C J/g mol): 0.159
Fusion Heat (kJ/mol): 4.77
Evaporation Heat (kJ/mol): 177.8
Debye Temperature (°K): 88.00
Pauling Negativity Number: 1.8
First Ionizing Energy (kJ/mol): 715.2
Oxidation States: 4, 2
Electronic Configuration: [Xe] 4f145d106s26p2
Lattice Structure: Face-Centered Cubic (FCC)
Lattice Constant (Å): 4.950
Isotopes: Natural lead is a mixture of four stable isotopes: 204Pb (1.48%), 206Pb (23.6%), 207Pb (22.6%), and 208Pb (52.3%).
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Twenty-seven other isotopes are known, all radioactive.
Uses: Lead is used as a sound absorber, x radiation shield, and to absorb vibrations. It is used in fishing weights, to coat the wicks of some candles, as a coolant (molten lead), as ballast, and for electrodes. Lead compounds are used in paints, insecticides, and storage batteries. The oxide is used to make leaded 'crystal' and flint glass. Alloys are used as solder, pewter, type metal, bullets, shot, antifriction lubricants, and plumbing.
Sources: Lead exists in its native form, though it is rare. Lead may be obtained from galena (PbS) by a roasting process. Other common lead minerals include anglesite, cerussite, and minim.
Other Facts: Alchemists believed lead to be the oldest metal. It was associated with the planet Saturn.
Symbol: Pb
Atomic Number: 82
Atomic Weight: 207.2
Element Group: Basic Metal
Discovery: Known to the ancients, with a history dating back at least 7000 years. Mentioned in the book of Exodus.
Name Origin: Anglo-Saxon: lead; symbol from Latin: plumbum.
Density (g/cc): 11.35
Melting Point (°K): 600.65
Boiling Point (°K): 2013
Properties: Lead is an extremely soft, highly malleable and ductile, poor electrical conductor, resistant to corrosion, blue-white shiny metal that tarnishes to dull gray in air. Lead is the only metal in which there is zero Thomson effect. Lead is a cumulative poison.
Atomic Radius (pm): 175
Atomic Volume (cc/mol): 18.3
Covalent Radius (pm): 147
Ionic Radius: 84 (+4e) 120 (+2e)
Specific Heat (@20°C J/g mol): 0.159
Fusion Heat (kJ/mol): 4.77
Evaporation Heat (kJ/mol): 177.8
Debye Temperature (°K): 88.00
Pauling Negativity Number: 1.8
First Ionizing Energy (kJ/mol): 715.2
Oxidation States: 4, 2
Electronic Configuration: [Xe] 4f145d106s26p2
Lattice Structure: Face-Centered Cubic (FCC)
Lattice Constant (Å): 4.950
Isotopes: Natural lead is a mixture of four stable isotopes: 204Pb (1.48%), 206Pb (23.6%), 207Pb (22.6%), and 208Pb (52.3%).
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Spa & Hot Tub ChemicalsSurex OO2 Non Chlorine Free Safe & Simple..Buy Online Nowwww.keyindustries.co.uk
Chemical ElementsFind out detailed info & resources Chemical Elementsdbmain.biz/4/elements
Twenty-seven other isotopes are known, all radioactive.
Uses: Lead is used as a sound absorber, x radiation shield, and to absorb vibrations. It is used in fishing weights, to coat the wicks of some candles, as a coolant (molten lead), as ballast, and for electrodes. Lead compounds are used in paints, insecticides, and storage batteries. The oxide is used to make leaded 'crystal' and flint glass. Alloys are used as solder, pewter, type metal, bullets, shot, antifriction lubricants, and plumbing.
Sources: Lead exists in its native form, though it is rare. Lead may be obtained from galena (PbS) by a roasting process. Other common lead minerals include anglesite, cerussite, and minim.
Other Facts: Alchemists believed lead to be the oldest metal. It was associated with the planet Saturn.
is HIM!
Couldn't resist
Couldn't resist
ME!
(jeez I must be bored)
(jeez I must be bored)
Once drank out of a giant boot!
I'm guessing isn't the person in his profile picture :P
Too slow.
Has beat me twice now in half an hour :(
Asks questions that should be obvious ;)
It's my initials
and the chemical symbol for lead
and also stands for Porpoise Boy
It's my initials
and the chemical symbol for lead
and also stands for Porpoise Boy
Has a weird username. What does pb stand for?
Is glad....
oh I give up!
oh I give up!
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