· The atomic mass of an atom is the sum of its protons and neutrons or Z N The strong nuclear force binds protons and neutrons together to form the nucleus of an atom Electrons Electrons are much smaller than protons or neutrons and orbit around them0% Home AQA GCSE Chemistry Topic Questions 1 Atomic Structure & the Periodic Table 11 Simple Model of the AtomMedium View solution Describe Bohr's model of the atom Medium View solution Calculate the energy associated with the first orbit of H e What is the radius of this orbit ?
What Atomic Model Is In Use Today Socratic