![]() 4 Noble Gases Have 8 Electrons in Their Outer Energy Level.3 Alkaline Earth Elements Have Two Electrons in Their Outer Energy Level.2 Alkali Metals Have One Electron in Their Outer Energy Level.For many more classroom resources related to teaching the periodic table, please see the Periodic Table Unit Plan developed by AACT.For more information about this teaching resource, and other materials for use with IYPT please visit the ACS webpage celebrating IYPT.Video instructions/student demonstration for this activity is available in both English and Spanish.Then, they should compare their placement of each element with its actual location on the periodic table. After the students are satisfied with the placement of their elements, they should flip the cards over to reveal the identity of each one.Depending on the number of cards given to a group of students, they may be attempting to recreate the entire periodic table, or they may be trying to place a selection of elements properly on the periodic table.It is important that students do not flip any cards over to reveal the identity of the element! Students should work together to analyze the data and begin organizing their element cards into the shape of the periodic table.Alternatively, the teacher could display an outline of a blank periodic table for students to reference the arrangement that they are attempting to recreate. ![]() Teachers may choose to use a game board for this activity (create a blank periodic table outline on white board or large print paper).The activity cards are given to students, and students should be directed to only look at the side of the card that contains data (atomic mass, atomic radius, melting point, density and electronegativity).The sets of activity cards are reusable, so once a teacher creates several sets, they can use them amongst all their classes/sections.Alternatively, depending on time, teachers may like to give out a smaller number of cards to each group rather than all 118. One set of cards should be cut out and given to each small group (3-4 students).Note that when printing, select “print actual size” rather than “fit to page” so that the borders of the cards will line up on both sides of the page for easy cutting. One set of cards requires 12 pieces of paper, printed double-sided. In preparation for this classroom activity, teachers should make copies of the activity cards for student use.The activity cards also include the Spanish name of each element.The illustrations on the activity cards were created in 2015 by student members of the ACS ChemClubs. This teaching resource was created by ACS Education staff in celebration of IYPT, with a special thanks to the University of Puerto Rico Aguadilla Student Chapter of the American Chemical Society.No specific safety precautions need to be observed for this activity.Blank Periodic Table Game Board (optional-see Teacher Notes).Periodic Table Activity Cards: 1 set per group. ![]() This activity supports students’ understanding of
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