I want to know the electron, proton, valency,
period, group and neutron of the first 50
chemical element.
Question Date: 2013-02-04
Answer 1:
You can enjoy and have fun to find all the
information you need by clicking on the
following link. You can click on any element
that you want, and all the information that you
need will pop up:
click here
to see the elements!
