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Plotting Trends


Publication 10480

Price: FREE

Does ionization energy increase going up or down a column in the periodic table? Do atoms get smaller or larger from right to left across a row? Most students have a hard time answering these questions. In this cooperative activity, students use microscale reaction plates and straws of different lengths to construct three-dimensional bar-type charts of element properties. Let students discover for themselves the existence and direction of periodic trends.