Physical propertiesLead is a bluish grey colourIn nature it has

Physical properties

Lead is a bluish grey colour.

In nature it has a state of a solid.

It has a density of 11.34g/ ML.

Lead has a melting point of 327.5C and a boiling point of 1740.0C

Lead is odourless and obtains a cubic or crystalline shape.

Chemical properties

Combustibility

Lead is combustible. Solid lead needs either rich- oxygen in the atmosphere or a high temperature to set fire, Lead will burn with a white flame. In normal atmosphere, you cannot set Lead on fire by just touching it with a flame for a short while.

Lead that is made in factories and that is finely made into powders can combust in normal atmosphere, but instead burns with a blueish-white flame.

Reactivity

Lead is a metal, meaning that it is not very reactive. The reaction between lead and air and lead and water is minimal because of the layer of PbO surrounding the ore. When Lead reacts with bases it slowly dissolves in cold alkalis to form plumbites.

Lead is very reactive to with Fluorine at room temperature, and Chlorine, when heated, forming lead halides.

History of Lead

The scientist who discovered Lead is unknown. Lead is a toxic and heavy element that is found/ mined from the earths crust. The date of discovery is also unknown but is mentioned in the second book of the Bible (Exodus 15:10) and says that it was in use in 3000B.C by ancient romans make pipes and to smelt weapons. In the 19th century, lead’s toxicity was recognized, by scientists and the use of lead has since been limited ever since.

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Many places still allow the sale of products that expose humans to lead, including jobs that require types of paints and bullets.

Uses of lead

• Lead is most popular in the auto mobile industry. Most batteries in vehicles are lead acid batteries. (mixture with other metals)

• Pottery, china, ceramic plates.

• In its powder form it can be used for paints and pigments.

• Weights. (lifting weights, boat weights, and divers belts).

• Bullets and weapons, as well as solider armour. (compound form)

• Pencils and writing utensils.

Health factors

Lead is not a good for your health. It is one of the four metals that have a very dangerous effect on our body. Lead can easily get into drinking water through corrosion of pipes. This is why public water treatment systems are now required to carry out pH-adjustment testing in water that will make sure the water is safe to drink.

Environmental factors

Lead is very bad for the environment. it harms our animals, plants, soil etc. Lead that is in car fuel contributes to air pollution which is also bad for our health, it can give us lead poisoning. Soils near smelting faculties and highways will have higher lead levels in the soils which can kill the plants and crops that are grown there. The last environmental factor is if we do not dispose of batteries properly. By doing this the metals inside of the battery will dissolve into the soil and eventually reach the ocean effecting our water supply and then our health.

Economic factors

In 2014, the yearly production of Lead was approximately 10 million tons, and more than half was being recycled.

Cool facts about lead

• Over one million tons of lead is recycled each year.

• Australia has the highest production of lead.

• The Latin name for “Lead” is “plumbum” which comes from the word plumber because of its use in making pipes.

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Physical propertiesLead is a bluish grey colourIn nature it has. (2019, Nov 19). Retrieved from http://paperap.com/physical-propertieslead-is-a-bluish-grey-colourin-nature-it-has-best-essay/

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