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The periodic table of the elements with distinct colors for different categories such as non-metals, alkali metals, alkaline earth metals, transition metals, and noble gases.

The Periodic Table Study Guide

The Periodic Table is a comprehensive chart that systematically organizes all known chemical elements based on their atomic structure and properties. Developed by Dmitri Mendeleev in 1869, it arranges elements in rows called periods and columns called groups or families, reflecting their atomic number (number of protons) and similar chemical behaviors.

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Illustrative diagram of a circle with labeled parts, including the radius, diameter, center, sector, arc, chord, segment, circumference, and tangent.

360 Degrees of Circles Study Guide

Welcome to “360 Degrees of Circles Study Guide”, a comprehensive online course designed to immerse learners in the captivating world of circle geometry. This study guide, available at, offers an extensive exploration into every aspect of circles, tailored for students, educators, and enthusiasts eager to enhance their understanding of this fundamental geometric shape.

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A colorful illustration of a polynomial equation, with each component labeled: 5x² (exponent labeled), +3y (variable labeled), -8 (constant labeled), = 21.

Polynomials and Factoring Study Guide

This study guide is designed for students, educators, and math enthusiasts who seek to master the foundational concepts of polynomials and the art of factoring. Whether you are preparing for exams, enhancing your teaching methods, or simply looking to strengthen your mathematical skills, this study guide provides the tools and understanding you need.

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