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  1. Lead - Wikipedia

    Lead is a neurotoxin that accumulates in soft tissues and bones. It damages the nervous system, interferes with biological enzymes, and can cause neurological disorders ranging from behavioral …

  2. Lead | Definition, Uses, Properties, & Facts | Britannica

    Jun 19, 2026 · Lead, 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 …

  3. LEAD Definition & Meaning - Merriam-Webster

    2 days ago · Lead is both a noun and a verb, as most people know. There are several unrelated nouns spelled lead: one most commonly refers to a metal (as in, "The paint was made with lead"), and the …

  4. Learn About Lead - US EPA

    May 28, 2026 · 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.

  5. Lead: What It Is, Properties, Importance, Uses, and Advantages

    Aug 8, 2023 · Lead is the chemical element represented by the symbol Pb and possesses the atomic number 82. It is a heavy metal with various properties that have made it useful for a range of …

  6. Lead poisoning - World Health Organization (WHO)

    Jun 10, 2026 · Lead is a naturally occurring toxic metal found in the Earth’s crust. Its widespread use has caused extensive environmental contamination, human exposure and significant public health …

  7. Lead Facts, Symbol, Discovery, Properties, Uses

    Lead (pronunciation: LED) is a soft, malleable, and ductile element having a high corrosion resistance, denoted by the chemical symbol Pb. A poor conductor of electricity, it slowly forms a dull coating …

  8. Are You Planning to Buy or Rent a Home Built Before 1978? Did you know that many homes built before 1978 have lead-based paint? Lead from paint, chips and dust can pose serious health hazards.

  9. Lead - Heavy, Toxic, Dense | Britannica

    Jun 19, 2026 · Symptoms of lead poisoning include abdominal pain and diarrhea followed by constipation, nausea, vomiting, dizziness, headache, and general weakness. Elimination of contact …

  10. What is Lead, it Uses, Properties, and Compounds?

    Mar 28, 2025 · What is Lead? Lead, a heavy metal in chemistry, has an atomic number of 82 and the symbol Pb, derived from the Latin plumbum.