Choose your level, click on the element that it tells you to click on. Try to get it right in as few attempts as possible. There are 118 elements. The periodic table is a chart that organizes all known chemical elements in rows (periods) and columns (groups) based on their atomic number, revealing periodic trends in their properties and behavior. It serves as a fundamental tool in chemistry and physics to understand element characteristics, predict chemical reactions, and organize scientific knowledge, with Dmitri Mendeleev being credited with its invention in 1869.
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