Step 1) Start CHEMIX School
Step 2) Click on Periodic Table push button
Step 3) Click on Radio button Relative atomic mass
Fig. Screen shot from CHEMIX School Periodic table - Relative atomic mass table
When clicking the radio button (step 3) the relative atomic mass of all the elements will be viewed simultaniously in the text fields located above the symbols. If the number value of an element is bigger (wider) than the text field - simply insert the mouse pointer in the text field and right-scroll using the left mousebutton.
Using CHEMIX School periodic table you can view more than realtive atomic masses. As you see from the picture you can also view : Name table, electronegativity table, oxidation states table and much more.
You can download CHEMIX School - Periodic Table with relative atomic mass chart of the elements by clicking the download link at the top of this page - Try it.