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Apuntes

• Subtopic: Introduction to the Periodic Table The periodic table is a tabular arrangement of chemical elements, organized by their atomic number, electron configuration, and recurring chemical properties. Elements are presented in order of increasing atomic number. • Subtopic: Alkali Metals and Alkaline Earth Metals The alkali metals include elements such as Hydrogen (H, 1, 1.008), Lithium (Li, 3, 6.94), Sodium (Na, 11, 22.990), and Potassium (K, 19, 39.098). These elements are known for their high reactivity, especially with water. The alkaline earth metals include Beryllium (Be, 4, 9.0122), Magnesium (Mg, 12, 24.305), Calcium (Ca, 20, 40.078), and Strontium (Sr, 38, 87.62). These elements are also reactive but less so than the alkali metals. • Subtopic: Transition Metals Transition metals are characterized by their ability to form variable oxidation states and include elements such as Scandium (Sc, 21, 44.956), Titanium (Ti, 22, 47.867), Vanadium (V, 23, 50.942), and Iron (Fe, 26, 55.845). Iron is also known as Hierro in Spanish. • Subtopic: Post-Transition Metals and Metalloids Post-transition metals include elements like Zinc (Zn, 30, 65.38), Gallium (Ga, 31, 69.723), ...