What is 206 Pb mass number?

2 Answers
Sep 5, 2016

Answer:

The mass number of the #""^206Pb# isotope is #206#.

Explanation:

For lead, #Z=82#; if it's the #""^206Pb# isotope their are #206-82=124# neutrons.

Sep 5, 2016

Answer:

206

Explanation:

The atomic number of Pb-206 is 82. Since it is an isotope, only the number of neutrons is different, which is 124 instead of the usual 125.