Relative Atomic Mass and Electronic Structure - GCSE Chemistry Worksheets Subject:Chemistry Age range:14-16 Resource type:Worksheet/Activity pptx, 326.78 KB This resource contains 4 worksheets that can be used in class or as homework to enable your students to practice what they have learnt in...
So the formula for relative atomic mass is simply: Relative atomic mass = number of protons + number of neutrons However, since scientists set a carbon-12 atom as the "standard atom," the technical definition is: Relative atomic mass = mass of atom ÷ (1/12 of the mass of a carbon-...