AsterQuiz Atomic Structure ChallengeOnline version Atomic basics by Rebecca Alt 1 Which subatomic particle has the smallest mass? a Electron b Neutron c Proton 2 The atomic number equals the number of which particle in the nucleus? a Protons b Electrons c Neutrons 3 Where are electrons primarily located in an atom? a Inside the proton b Nucleus core c Electron cloud/orbitals surrounding the nucleus 4 What particle has no electrical charge? a Proton b Neutron c Electron 5 What is the charge of a proton? a Neutral b Negative c Positive 6 Which quantity determines the identity of an element? a Mass number b Neutron count c Atomic number (protons) 7 Mass number is the sum of which particles? a Neutrons only b Protons and electrons c Protons and neutrons 8 What is an isotope? a Atoms with different protons b Isolated atoms with no neutrons c Atoms with the same protons but different neutrons
