1) What is the charge on a proton a) +1 b) -1 c) 0 2) What is the charge on a neutron a) +1 b) -1 c) 0 3) What is the charge on an electron a) +1 b) -1 c) 0 4) What particles are found in the nucleus of an atom? a) Protons b) Neutrons c) Electrons d) Ions 5) Which particles are found in energy levels (or shells) around the nucleus a) Protons b) Neutrons c) Electrons d) Ions 6) What does the atomic number tell you about an atom a) The number of protons b) The number of neutrons c) The number of electrons d) The number of protons + neutrons 7) What does the mass number tell you about an atom a) The number of protons b) The number of neutrons c) The number of electrons d) The number of protons + neutrons 8) How is the number of protons related to the number of electrons in an atom? a) They are the same b) More protons c) More electrons

Atomic structure and electron arrangement

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