Which two particles are found in the nucleus of an atom?, proton and electron, electron and neutron, Protons and neutrons, proton,neutron and electron, What type of electrical charge does an electron have?, Negative charge, positive charge, neutral charge, Both A and B, Most of an atom's volume is empty space?, True, False, Atomic number of an element is equal to the number of which particle?, The number of proton and neutron, The number of electron, The number of neutron, The number of protons, In a neutral atom, the number of protons and electrons is different?, True, False, Which scientist proposed the "Plum Pudding Model" of the atom?, Niels Bohr, J.J. Thomson, Albert Einstein, James chadwick, Which scientist is credited with the discovery of the neutron?, Albert Einstein, Rutherford, James Chadwick, Niels Bhor, Isotopes have the same number of protons but a different number of neutrons, True, False, What are the electrons located in the outermost shell of an atom called?, Valence electrons, core electron, Inner-cell electron, Excited electrons, The mass number of an atom is the sum of which two particles?, proton and electron, electron and neutron, Electron and nucleus, Protons and neutrons

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