© Educational Video Network, Inc. 2005 - www.evndirect.com
Your leading source for curriculum-based educational videos and DVDs.
Order this item online today!

Study Guide Answers

1.     The universe exists because of a unique grouping of _________________________.
     atoms
2.     Scientists have identified more than 100 different types of _________________________________.
     elements
3.     The atom's nucleus is made up of positively charged ___________________________ and neutral ________________________.
     protons, neutrons
4.     _____________________ are negatively charged and orbit the nucleus, creating a(n) ____________________ ______________________.
     Electrons, electron cloud
5.     The number of _________________________ makes each element unique.
     protons
6.     Protons within an atom are represented on the Periodic Table as the "_________________________ ______________________."
     atomic number
7.     The one or two letter _____________________ identifies the element's name on the Periodic Table.
     symbol
8.     The ______________ ___________________ are part of a family that is located in the far-right column of the Periodic Table.
     Noble Gases
9.     ________________ are the horizontal rows on the table and are numbered one through seven.
     Periods
10.     ______________________ are located directly along the stair-step line in the table and have semi-metallic qualities.
     Metalloids
11.     _______________, ________________, and ________________ have characteristics that scientists use to organize differences among the elements.
     Metalloids, metals, non-metals
12.     A(n) _______________ ______________________ is a statement of how many electrons exist in an element.
     electron configuration
13.     The __________________ ______________________ represents the number of shells within an atom.
     period number
14.     The Periodic Table provides a systematic representation of __________________ _________________.
     electron patterns
© Educational Video Network, Inc. 2005 - www.evndirect.com
Your leading source for curriculum-based educational videos and DVDs.