How do you find an atomic number?

1 Answer
Jul 29, 2016

The atomic number of an element is written in the box for each element on the periodic table. It will always be a whole number and they go in order from 1 to 118 in order.

Explanation:

As the example below indicates, the box for each element will always contain the atomic number, the name and symbol, and the relative atomic mass (atomic weight).

http://chandraharper.blogspot.com/2012/08/8-23-12.html

The example below lists the information in a different order. Most periodic tables have a key for reference.

http://blog.deimel.org/2012/05/three-silly-poems.html