Review on the parts of the atom, atomic number, mass number and radioactivity.
Neutron
Proton
Electron
Protons and electrons
Neutrons and electrons
Neutrons and protons
Electron
Proton
Neutron
Protons
Neutrons
Electrons
Protons
Protons and neutrons
Protons and electrons
Neutrons
Neutrons and electrons
Electrons and neutrons
Protons, electrons and neutrons
Protons and neutrons
Electrons and protons
Electrons
Neutrons
Protons
Electrons
Neutrons
Protons
Protons
Electrons
Neutrons
Protons and electrons
Neutrons and electrons
Protons and neutrons
Mass number
Atomic number
Average atomic mass
Atomic number
Mass number
Average atomic mass
82
208
126
208
82
126
208
82
126
True
False
True
False
True
False
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