How many protons are in lithium atom?

1 Answer
Truong-Son N.
Aug 8, 2017

Well, if you inspect your periodic table for a few minutes, you should find that lithium is the third element, i.e. with atomic number #3#.

https://en.wikipedia.org/

Each element's atomic number, #Z#, indicates the number of protons in its nucleus. Therefore, lithium has three protons. What is lithium's electron configuration? What group is it in?

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