Lead Definition & Meaning - Merriam-Webster
WEBThe meaning of LEAD is to guide on a way especially by going in advance. How to use lead in a sentence. When to Use Lead or Led Synonym Discussion of Lead.
Lead - Wikipedia
WEBLead is a chemical element; it has symbol Pb (from Latin plumbum) and atomic number 82. It is a heavy metal that is denser than most common materials. Lead is soft and malleable, and also has a relatively low melting point. When freshly cut, lead is …
Lead poisoning - World Health Organization (WHO)
WEBAug 11, 2023 · Lead is a naturally occurring toxic metal found in the Earth’s crust. Its widespread use has resulted in extensive environmental contamination, human exposure and significant public health problems in many parts of the world.
Lead poisoning - Symptoms & causes - Mayo Clinic
WEBJan 21, 2022 · Lead poisoning occurs when lead builds up in the body, often over months or years. Even small amounts of lead can cause serious health problems. Children younger than 6 years are especially vulnerable to lead poisoning, which can severely affect mental and physical development.
Lead | Definition, Uses, Properties, & Facts | Britannica
WEBLead, a soft, silvery white or grayish metal in Group 14 (IVa) of the periodic table. Lead is very malleable, ductile, and dense and is a poor conductor of electricity. Known in antiquity and believed by the alchemists to be the oldest of metals, lead is highly durable and resistant to corrosion.
LEAD | English meaning - Cambridge Dictionary
WEBLEAD definition: 1. to control a group of people, a country, or a situation: 2. (especially in sports or other…. Learn more.
LEAD Definition & Meaning | Dictionary.com
WEBLead definition: to go before or with to show the way; conduct or escort. See examples of LEAD used in a sentence.
Learn about Lead | US EPA - U.S. Environmental Protection Agency
WEBFeb 7, 2024 · This page provides basic information on lead including what it is, where it is found, how one can be exposed, and the health effects associated with lead.
Lead - Element information, properties and uses | Periodic Table
WEBElement Lead (Pb), Group 14, Atomic Number 82, p-block, Mass 207.2. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. Jump to main content
lead summary | Britannica
WEBLead is a soft, silvery white or grayish, malleable, ductile, dense metal that conducts electricity poorly. Its stable isotopes are all end products of radioactive decay of uranium and other heavy elements. Known since ancient times, lead is so durable and resistant to corrosion that Roman lead pipes are still usable.
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