Atomic-mass-worksheet -

At its simplest, is the total mass of an atom. Since atoms are too tiny to weigh on a standard scale, scientists use Atomic Mass Units (amu) .

The number you see on the periodic table (like 1.008 for Hydrogen) isn't just a random decimal—it’s a . The Formula You Need to Know atomic-mass-worksheet

To calculate the average atomic mass of an element with multiple isotopes, use this simple equation: At its simplest, is the total mass of an atom