# How Many Neutrons Are in the Nucleus of an Atom of Lead?

## Answer

There are 125 neutrons contained in the nucleus of an atom of lead. There are also 82 protons in lead, as well as 82 electrons. The chemical symbol for lead is Pb and its atomic number is 82 on the periodic table of elements. Lead has a melting point of 621.5 degrees Fahrenheit, as well as an atomic mass of 207.2. Lead is an element that has been known of and used for centuries, as it was discovered in the year 7000 BC.
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Q&A Related to "How Many Neutrons Are in the Nucleus of an Atom..."
 The number of neutrons in the nucleus of an atom varies. Let's look at the issues. First, hydrogen is an "odd bird" in the periodic table. It is far and away the most common http://wiki.answers.com/Q/How_many_neutrons_are_in...
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 You have to subtract mass number from the atomic number (which tells you how many protons an atom has) It should be 52. I am pretty sure it should be 30 for the second question. Source http://answers.yahoo.com/question/index?qid=200909...
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