Explain why the relative atomic mass of chlorine on the periodic table is not a whole number.

This often takes place for other factors as nicely it is simply that chlorine and copper have values at roughly .5 between two different values so aren’t rounded. As you do greater complex chemistry you will begin using periodic tables with more unique masses.

This is now not the specific mass wide variety as I rounded the abundances of the isotopes to the nearest 5%. They are absolutely 75.78% and 24.44% and this gives a mass number of 35.45.

what does the table look like