Mass number of it is 207. Lead, isotope of mass 206. Name: Lead Symbol: Pb Atomic Number: 82 Atomic Mass: 207.2 amu Melting Point: 327.5 °C (600.65 K, 621.5 °F) Boiling Point: 1740.0 °C (2013.15 K, 3164.0 °F) Number of Protons/Electrons: 82 Number of Neutrons: 125 Classification: Other Metals Crystal Structure: Cubic Density @ 293 K: 11.34 g/cm 3 Color: bluish Atomic Structure Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. Lead isotope of mass 206. Lead is a metal element. See more Lead products. Question: What is the mass number for lead? Geogenic Soil Lead Concentrations (mg/kg): 2007-2010 (All Data) The mass number for this isotope of lead is 206.

Lead is found on the periodic table in the 14th Column. The mass number for lead is 208. Lead-206. DTXSID60161146 Lead (Pb) has the atomic number 82 with an atomic mass of 207.2 amu. Please try another combination. What is the mass number of lead? It has an atomic number of 82, a net ionic charge of +2 and a molar mass of 207.2.

Students Honored by White House and EPA for Environmental Project Atomic mass of Lead is 207.2 u. We can determine the number of neutrons by subtracting the number of protons, 82 , from the mass number, 206 . The neutron:proton ratio is 124:82 , which can be reduces to 62:41 . The nuclear notation #""_82^206"Pb"# gives us the mass number, 206, for this isotope of lead, and the atomic number of lead, 82.. So any atom of lead-206 has #82# protons. Alabama State Data Tables. The atomic number of any isotope of any element is the number of protons in its atomic nucleus.

Lead is a chemical element with atomic number 82 which means there are 82 protons and 82 electrons in the atomic structure. We first need to determine the number of protons and neutrons that are present in the nucleus of the isotope lead-206. 13966-27-3. Technically, lead has four different isotopes that occur in nature, each with their own mass number. The nucleus of a lead-206 isotope has 82 protons and 124 neutrons. Subtracting an element's mass number from its atomic mass tells you the number of protons in its nucleus. Atomic Mass of Lead. ©2017 Commonwealth of Massachusetts WAP1 Skip Navigation.

Lead Safe Homes Search Criteria: Town StreetName : Street Number : List of Details No records are found. Lead (82 Pb) has four stable isotopes: 204 Pb, 206 Pb, 207 Pb, 208 Pb. Element Lead (Pb), Group 14, Atomic Number 82, p-block, Mass 207.2. It is a whole number. In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all … The mass number is the sum of the number of protons and neutrons in an atom. Atomic mass value sometimes change over time in publications as scientists revise the natural isotope abundance of elements. ››More information on molar mass and molecular weight. The atomic mass is the average number of protons and neutrons for all natural isotopes of an element. It is a decimal number. The number of electrons in each of Lead's shells is [2, 8, 18, 32, 18, 4] and its electron configuration is [Xe] 4f 14 5d 10 6s 2 6p 2.The lead atom has a radius of 175 pm and a Van der Waals radius of 202 pm.

The hydrogen atom may contain a neutron, but it usually doesn't, so the mass number of hydrogen is 1. Mass Number: A mass number is the total mass of the nucleus of an atom.

Oxygen, on the other hand, has an equal number of proteins and neutrons, which raises its mass number to 16.

EPA Selects Six Projects in Massachusetts to Receive $2.7 Million for Brownfields Cleanup and Assessment Read the news release Rockport, Mass. Atomic Number of Lead. The chemical symbol for Lead is Pb. Lead (atomic symbol: Pb, atomic number: 82) is a Block P, Group 14, Period 6 element with an atomic radius of 207.2.