What are Valence Electrons?
Core Concepts In this tutorial, we learn about valence electrons, what they are, and why they are significant. We will also learn how to tell
August 2, 2021
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How to Find Number of Protons, Neutrons, and Electrons
Core Concepts In this tutorial, you will learn how to find and calculate the number of protons, neutrons, and electrons in an atom or element.
April 23, 2021
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Fundamental Particles and Particle Physics
Core Concepts In this article, you will learn what fundamental particles are, how they were discovered, and where the next frontiers of this field of
January 20, 2026
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Silicon Solar Cells
Core Concepts This article provides an overview of the basics of a silicon-based solar cell, discussing what a silicon solar cell is, its components, how
January 11, 2026
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Why Water Works
Core Concepts In this article, we will discuss the chemical structure, chemical properties, and key applications of water, one of the world’s most important molecules.
January 8, 2026
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Lithium-Ion Batteries
Core Concepts In this article, you will explore the lithium-ion battery, its compartments, and redox reactions that occur within it. You will also gain an
October 24, 2025
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Introduction to Calculus
Core Concepts In this article, we will introduce the concept of calculus. We will illustrate its origin, founding principles, and potential applications. What is calculus?
September 30, 2025
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Water Splitting
Core Concepts In this article we will learn about what water splitting is, the process of water splitting, and its applications in research and industry.
September 14, 2025
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The Role of Graphene in Chemistry
Core Concepts In this article, you will learn the key differences between graphene and graphite, and how graphene’s physical and chemical properties lend itself well
August 31, 2025
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The Everyday Importance of Atomic Absorption Spectroscopy (AAS)
Core Concepts This article highlights the critical role of analytical chemistry in real-world applications, focusing on atomic absorption spectroscopy (AAS). It explains how AAS serves
July 30, 2025
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Carbohydrate Metabolism
Core Concepts: This article explores carbohydrate metabolism. It begins with the classification of carbohydrates and then examines the key metabolic pathways involved – including cellular
June 30, 2025
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Estructuras de puntos de Lewis
Estructuras de puntos de Lewis Conceptos básicos En este tutorial aprenderás a dibujar correctamente las estructuras de puntos de Lewis de elementos y compuestos. Además,
June 21, 2025
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Nitrification: A Key Process in the Nitrogen Cycle
Core Concepts Nitrification is a main process within the nitrogen cycle that converts nitrogen into forms organisms can use. The nitrogen cycle is a biogeochemical
April 3, 2025
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The Biochemistry Behind COVID-19 Medications
What happens in the body between the time patients are prescribed COVID-19 medications and the time they start to feel better?
March 5, 2025
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Wurtz Reaction
Core Concepts This article will explore the Wurtz reaction, covering its mechanism, limitations, and the conditions required for the reaction to take place. Introduction The
September 3, 2024
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Doping and the p-n Junction
We can alter a diode’s electrochemical properties by doping its p-n junction, a pair of semiconductors governing electricity flow through it.
August 12, 2024
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Organic Acids and Bases
Core Concepts This article will describe organic acids, organic bases, and how to differentiate their strength. Organic Acids Organic acids are molecules that contain carbon
August 12, 2024
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Light-Emitting Diodes (LEDs)
A groundbreaking invention, light-emitting diodes (LEDs) use semiconductors, p–n junctions, electric fields, and chemistry to release light.
July 25, 2024
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Quantum Dots
Core Concepts This article discusses quantum dots and their unique and often tuneable optical properties. You will learn where quantum dots’ tuneability comes from, and
July 17, 2024
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Metals in Biology
Core Concepts This article discusses the essential roles that metals play in biology, including structural framework and catalytic capabilities. You will learn some common metals
July 17, 2024
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