1) Protons and neutrons are located ____ the nucleus. 2) Electrons are located ____ the nucleus. 2) Metals are found on the ____ side of the ZIGZAG staircase. 3) Nonmetals are found on the ____ side of the ZIGZAG staircase. 4) Elements that are located in the same ____ have similar properties. 5) The Atomic Number of an element is the number of ____ found in every atom of that element. Therefore, the atomic number, or the number of protons, determines the ____ of an element. 6) Elements that are malleable and conduct electricity are ____ 7) Most of the elements in the periodic table are ____. 8) Elements found in the same column have ____ properties.9) As you move from the left to the right (across the periodic table), the atomic mass ____.

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