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Alkaline earth metal - Wikipedia
The alkaline earth metals are six chemical elements in group 2 of the periodic table. They are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), ...
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Interactive Periodic Table of Elements - INL
Experts at Idaho National Laboratory have produced an interactive Periodic Table of Elements that offers pop-up info on each of the 118 existing elements.
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Reading the Periodic Table
Reading the Periodic Table: Objectives: 1. Explain why elements in a group have similar properties. 2. Identify the four blocks of the periodic table.
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