Chemistry Examples

Find the Number of Electrons
Step 1
Find the element on the periodic table.
82Atomic Number
PbElement Symbol
LeadElement Name
207.2Average Atomic Mass
Step 2
To find the number of electrons in , first locate the element on the periodic table. Next, find the atomic number which is located above the element's symbol. Since 's atomic number is , has electrons.
Enter YOUR Problem
Mathway requires javascript and a modern browser.
Cookies & Privacy
This website uses cookies to ensure you get the best experience on our website.
More Information