Introducing...Introducing...

Pb Productions

Per.5

Malik Major Jenna Shikuzawa Brent Martin

LeadLead Chemical Symbol: PbChemical Symbol: Pb

Atomic Number: 82Atomic Number: 82

Atomic Mass: 207.19Atomic Mass: 207.19

Number of protons: 82Number of protons: 82

Number of electrons: 82Number of electrons: 82

Number of neutrons: 125Number of neutrons: 125

Number of Lewis Dots: 4Number of Lewis Dots: 4 (number of outer electrons)(number of outer electrons)

Physical Properties Physical Properties

• Lead is a soft gray metal.Lead is a soft gray metal.

• Lead is heavy due to its high density.Lead is heavy due to its high density.

• Lead is easily shaped.Lead is easily shaped.

• Lead is not a good conductor of Lead is not a good conductor of electricity. electricity.

• Lead has a low melting point.Lead has a low melting point.

Discovery/Location Since lead has been known to mankind since

the ancient times, there is no telling who or when it was discovered.

Lead is mainly found in the Earth’s crust.

However, lead can also be produced from lead ores called a galenas.

Galena

Mining and ProductionMining and Production

► To produce lead, there are 3 main steps of action that you To produce lead, there are 3 main steps of action that you must take. must take.

► First, you mine the lead in galenas. Next, you must smelt the First, you mine the lead in galenas. Next, you must smelt the lead. Finally, it is time to refine the lead. lead. Finally, it is time to refine the lead.

► China, Australia, and the U.S. are the leading producers of China, Australia, and the U.S. are the leading producers of lead. lead.

► The total lead production is around 6 ½ million tons a year. The total lead production is around 6 ½ million tons a year. ► The annual production of primary lead is about 3.1 million The annual production of primary lead is about 3.1 million

tons. tons.

Human UsesHuman Uses

Lead can be usedLead can be used for a lot of different things for a lot of for a lot of different things for a lot of different reasons.different reasons.

Some of the most common uses of lead are:Some of the most common uses of lead are:

Plumbing, toys, paint, pencils (not anymore), coins, pottery, Plumbing, toys, paint, pencils (not anymore), coins, pottery, batteries, radioactive materials/devices (x rays, nuclear batteries, radioactive materials/devices (x rays, nuclear reactors), and also bullets. reactors), and also bullets.

Chemical CompoundsChemical Compounds

Lead can form compounds with many other elements, Lead can form compounds with many other elements, including sulfur, oxygen, and carbon. including sulfur, oxygen, and carbon.

Lead forms complex compounds, called chelates.Lead forms complex compounds, called chelates. Lead chelates can dissolve in water. Lead chelates can dissolve in water.

Things You May or May Not Have Known About Lead

Lead was one of the first metals used by humans. Lead and the compounds it forms can cause lead poisoning

and kill you. If formed inside the body, lead chelates can be a very effective

way of treating lead poisoning. Lead is not radioactive. Lead’s melting point is 327.46°C. Lead belongs to the post-transition family.

Pb ProductionsPb Productions is having a limited time only sale on lead. This is a is having a limited time only sale on lead. This is a very rare event. Lead is being sold at the very low price of very rare event. Lead is being sold at the very low price of $1.50 per 100g. Since lead is so valuable, this is a once in a $1.50 per 100g. Since lead is so valuable, this is a once in a lifetime opportunity. You better hurry and stock up on your lifetime opportunity. You better hurry and stock up on your lead before time runs out!lead before time runs out!

Please call or click today at 1-800-207-LEAD or www.lead.com. Please call or click today at 1-800-207-LEAD or www.lead.com. You must be 18 years or older to call.You must be 18 years or older to call.

L-E-A-D, that spells Pb. 2,000 year anniversary. They found it long L-E-A-D, that spells Pb. 2,000 year anniversary. They found it long ago, and mined it to and fro. ago, and mined it to and fro.

Caution: If inhaled or consumed, the lead can interfere with a variety of Caution: If inhaled or consumed, the lead can interfere with a variety of body functions and is toxic to many tissues and organs.body functions and is toxic to many tissues and organs.

BibliographyBibliography““Lead”. Lead”. Wikipedia-The free encyclopedia.Wikipedia-The free encyclopedia. March 28, March 28, 2010. Wkikimedia Foundation inc. 2010. Wkikimedia Foundation inc. <http://en.wikipedia.org/wiki/Lead><http://en.wikipedia.org/wiki/Lead>

Bentor, Yinon. Bentor, Yinon. Chemical Element. com – LeadChemical Element. com – Lead. Jan 3, . Jan 3, 2007. 2007. <http://www.chemicalelements.com/elements/pb.html>.<http://www.chemicalelements.com/elements/pb.html>.

David E. Newton. Chemical Elements from Carbon to David E. Newton. Chemical Elements from Carbon to Krypton. Volume 2 G-M. Farmington Hills, MI:U.X.L Krypton. Volume 2 G-M. Farmington Hills, MI:U.X.L 1999.1999.

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