Using mass spectrometer, one can identify and/or separate the isotopes of the elements and also predict its composition in a given mixture.
he arranged his Periodic Table by each elements Atomic Mass
The elements with the highest mass are on the bottom right of the periodic table.
By Atomic Mass
Mendeleev's version of the Periodic Table was organized by increasing mass. The modern periodic table is now organized by atomic number.
The periodic table is arranged by atomic mass. Hydrogen is the lightest element. Its atomic mass is one.
Hu stands for Hugium, and is the element with the most mass on the alien periodic table.
Look at the Periodic Table.
Mendeleev arranged the elements in the periodic table according to their atomic masses.
A very accurate mass spectrometer is needed.
The atomic mass is the combined mass of the protons, neutrons and electrons in an element. It can be found below the element's symbol on the periodic table.
Mendeleev's table was arranged by atomic mass and the periodic table is arranged by protons (atomic number).
Look on a periodic table. If you have different isotopes then you need to multiply the mass number and atomic number and then find the average of them and you'll have the average atomic mass which is the same as on the periodic table. The location of the mass number on a periodic table depends but it's normally the one with a decimal.