What are the purposes of lead?

What are the purposes of lead?

What is the purpose of a lead sentence or paragraph? to display your most convincing reasons and arguments to help you revise the overall structure of your work to interest readers and introduce your writing style to add details and elaborate on your ideas.

What are 2 uses for lead?

It is used in ammunition (shot and bullets) and as a constituent of solder, type metal, bearing alloys, fusible alloys, and pewter. In heavy and industrial machinery, sheets and other parts made from lead compounds may be used to dampen noise and vibration.

What are 3 interesting facts about lead?

Interesting Lead Element Facts

• Lead has atomic number 82, which means each lead atom has 82 protons.
• Lead is a considered a basic metal or post-transition metal.
• Lead is one of the metals that was known to ancient man.
• Over half the lead produced today is used in lead-acid car batteries.
• Lead is highly toxic.

What is special about lead?

Lead is a bluish-white lustrous metal. It is very soft, highly malleable, ductile, and a relatively poor conductor of electricity. It is very resistant to corrosion but tarnishes upon exposure to air. Lead isotopes are the end products of each of the three series of naturally occurring radioactive elements.

What is the purpose of the lead in a news article?

Introduction. The lead, or opening paragraph, is the most important part of a news story. With so many sources of information – newspapers, magazines, TV, radio and the internet – audiences simply are not willing to read beyond the first paragraph (and even sentence) of a story unless it grabs their interest.

What are 5 physical properties of lead?

Its properties include a low melting point; ease of casting; high density; low strength; ease of fabrication; acid resistance; electrochemical reaction with sulfuric acid; chemical stability in air, water, and soils; and the ability to attenuate sound waves, atomic radiation, and mechanical vibration (11).

Why is lead used in technology?

Lead has been used to produce service lines and solder (both banned since 1988), and a variety of brass pipes and plumbing devices. Drinking water contains a large number of chemicals, including disinfection byproducts, corrosive agents, dissolved organic matter, trace metals, minerals, and additives such as fluoride.

What are 5 interesting facts about lead?

Here are 10 facts about the element lead.

• The element lead is easy to extract.
• People have been using lead since prehistory.
• Lead poisoning can be fatal.
• Ancient Romans really loved lead.
• Lead is a very stable element.
• Lead made car engines quieter—at a high cost.
• Lead was used in paintings …
• 8. …

What is the importance of a lead in a write up discuss with examples?

The Lead is the introductory section of your blog post or wiki page that is intended to entice the reader to read the full story. If a reader gets to your Lead, that means you did a good job on your title. The reader has given you a few moments of their time – like a second or two!

What is lead and headline?

WHAT’S THE DIFFERENCE BETWEEN A HEADLINE AND A LEAD? Leads are broadcast scripts meant to be read out loud. Headlines are meant to be read in web or print. They are not meant to be spoken so they are not complete sentences.

How can lead be used as protection?

Lead is used for shielding in x-ray machines, nuclear power plants, labs, medical facilities, military equipment, and other places where radiation may be encountered. There is great variety in the types of shielding available both to protect people and to shield equipment and experiments.

What are the important uses of lead?

Uses of lead One of the most common uses of lead is in the automobile industry. Another common used of lead is in bullets and shot. Lead is used as solder for electronics, but for safety reasons attempts are being made to replace lead solder with bismuth. It is commonly used in construction for roofing materials.

What was lead once commonly used in?

Lead is used to add weight to the keel of sailboats and to divers belts. Lead is also the most common material used in fishing sinkers. The danger of lead exposure has caused it to be removed from many products. It was once widely used in products such as paint, plumbing pipes, fuel, and pesticides.

What are the special properties of lead?

Properties of Lead Lead (Pb) is a white lustrous metal with a soft texture and is highly malleable. The metal is highly corrosion resistant, in addition to not being a poor conductor of electricity. The metal in its powdered form produces a bluish-white flame when burnt in air. Once mixed with fluorine in room temperature forms lead fluoride.

Where is lead found naturally?

Lead is a naturally occurring metal found in the earth’s crust. Lead can be found many places, much because of human activity through burning fossil fuels, mining, and manufacturing. Water can be contaminated with lead from mines, waste dumps, and industrial plants.