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What is the mass number for lead Pb?

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Answer:

It depends on the isotope and the number of neutrons it has. Stable isotopes are:

²⁰⁴Pb, ²⁰⁶Pb, ²⁰⁷Pb, or ²⁰⁸Pb. Average is 207.2.

First answer by Blue. Last edit by Blue. Contributor trust: 2485 [recommend contributor ]. Question popularity: 16 [recommend question].

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What is the mass number of the element lead?
The atomic number of lead (Pb) is 82. I suppose that is what you want to know.
What is the mass number of lead?
Lead (Pb) has the atomic number 82 with an atomic mass of 207.2 amu.
What is the mass number of leads isotope?
Lead has a mass number of 82, which of course applies to all isotopes. There are stable isotopes with atomic weights 206,207,208. See Wikipedia 'Lead' for more.
What is the mass number for lead?
The mass number of lead is 207.2.
What is mass number of atomic number?
The mass number (A), also called atomic mass number (not to be confused with atomic number (Z) which denotes the number of protons in a nucleus) or nucleon number, is the number of protons and...