Lead (/ lɛd /) 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, …

Lead is the 82nd element in the periodic table and has a symbol of Pb and atomic number of 82. It has an atomic weight of 207.2 and a mass number of 208. Lead has eighty-two protons and one hundred twenty-six neutrons in its nucleus, and eighty-two electrons in six shells.

1.4×10 1 milligrams per kilogram. 3×10 -5 milligrams per liter. The name derives from the Anglo-Saxon lead, which is of unknown origin. The element was known from prehistoric times. The chemical symbol Pb is derived from the Latin plumbum.

Element Lead (Pb), Group 14, Atomic Number 82, p-block, Mass 207.2. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

2020年11月21日 · Atomic mass of Lead is 207.2 u. The atomic mass is the mass of an atom. The atomic mass or relative isotopic mass refers to the mass of a single particle, and therefore is tied to a certain specific isotope of an element.

Lead (Pb) has an atomic mass of 82. Find out about its chemical and physical properties, states, energy, electrons, oxidation and more.

2020年11月21日 · Lead is a chemical element with atomic number 82 which means there are 82 protons and 82 electrons in the atomic structure. The chemical symbol for Lead is Pb. Mass numbers of typical isotopes of Lead are 204-208.

For muons, dE/dx = a (E) + b (E) E. Tables of b (E): Table of muon dE/dx and Range: Warning: may not be current

2021年11月26日 · Lead is a chemical element with atomic number 82 which means there are 82 protons and 82 electrons in the atomic structure. The chemical symbol for Lead is Pb. Since the number of electrons is responsible for the chemical behavior of atoms, the atomic number identifies the various chemical elements.

Atomic Data for Lead (Pb) Atomic Number = 82 Atomic Weight = 207.2 Reference E95