1) Name the center of the atom. a) proton b) electron c) nucleus d) neutron 2) This subatomic particle of the atom has a mass of 1 amu and a positive charge. a) electron b) proton c) electron cloud d) neutron 3) This subatomic particle of the atom has a mass of 1 amu and no charge. a) proton b) electron c) neutron 4) Part of the periodic table that is used to identify the number of protons. a) atomic mass b) chemical symbol c) atomic number d) element name 5) These elements have a shiny luster, are malleable, and are located on the left side of the periodic table. a) metals b) nonmetals c) metalloids d) atoms 6) Aluminum has 13 protons. How many electrons does it have? a) 10 b) 12 c) 14 d) 13 7) Elements that do not conduct electricity and are found on the right side of the periodic table. a) metals b) nonmetals c) metalloids 8) This subatomic particle has a negative charge and is located outside of the nucleus. a) electron b) proton c) neutron d) nucleus 9) This part of the nucleus takes up most of the space of the atom and surrounds the nucleus. a) nucleus b) electron cloud c) electrons d) protons e) neutrons 10) A neutral atom has _____. a) equal protons and neutrons b) equal neutrons and electrons c) equal protons and electrons 11) Elements in the same Period have the same number of a) valence electrons b) electron shells c) number of protons d) number of neutrons e) number of electrons f) size of the nucleus 12) Elements in the same GROUP have the same number of a) valence electrons b) electron shells c) number of protons d) number of neutrons e) number of electrons

Atomic Structure

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