National University Philippines

Master the periodic table with these exam-focused notes! Follow how electronegativity, ionization energy, and atomic radius shift across rows and groups, and see how these trends drive reactivity. Discover the power of metallic bonding that gives metals shine, strength, and conductivity, while contrasting them with the brittle, electron‑grabbing nature of nonmetals. Explore magnetism from ferromagnetic iron to diamagnetic copper, and get clear insights into the roles of alkali metals, alkaline...

Dive into these streamlined Inorganic Chemistry notes that make quantum mechanics and electron behavior easy to grasp! Explore the energy levels and atomic orbitals, the rules of Pauli, Heisenberg, and Hund, and the four quantum numbers that define an electron’s state. Learn how to determine principal, angular, magnetic, and spin quantum numbers, then apply them to predict electron configurations, valence electrons, and periodic table positions. With clear examples and step‑by‑step exercis...

Master the math of chemistry with these streamlined notes! Learn how to name elements and read their symbols, calculate the number of protons, neutrons, and electrons from atomic and mass numbers, and identify isotopes. Practice computing the mass of atoms and molecules using molecular weight and molar mass, then connect it all with Avogadro’s number to convert between atoms, moles, and grams. Packed with clear formulas, worked examples, and conversion shortcuts, this guide makes complex calcu...

Dive into these clear and compact Inorganic Chemistry notes that sharpen your problem-solving skills! This guide breaks down significant figures, rounding rules, exact numbers, and the factor-unit method, while also covering density calculations, percentages, and scientific notation. Perfectly organized and easy to follow, it helps you handle measurements and calculations with confidence—ideal for students who want accuracy, clarity, and exam-ready chemistry basics in one document.

Dive into these concise Inorganic Chemistry measurement notes that make accuracy, precision, and units finally make sense! Learn how measurements work, how errors happen, and how to convert between apothecary, household, imperial, and metric systems with ease. From unit conversions to temperature scales, this quick, student-friendly guide is perfect for mastering the basics, avoiding common mistakes, and boosting confidence in chemistry problem-solving.

Dive into these power-packed Inorganic Chemistry notes that make core concepts easy to grasp! Learn the essentials of matter, mass, and weight, explore physical vs. chemical properties, and understand density, buoyancy, and why objects float or sink. Get introduced to atoms, molecules, and key laws of chemistry, while clearly distinguishing elements, compounds, mixtures, and solutions—all in one clear, student-friendly guide. Perfect for students who want to understand, not just memorize, t...

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