Alphabetical
atom
[noun]
The smallest unit of an element that retains the chemical properties of the element. Atoms can exist alone or in combinations with other atoms forming molecules.
Appears in modules:
- An Elegant Experiment to Test the Process of DNA Replication The work of Meselsohn and Stahl
- Atmospheric Chemistry Research that Changed Global Policy The work of Mario Molina
- Atomic Theory I Detecting electrons and the nucleus
- Atomic Theory II Ions, neutrons, isotopes and quantum theory
- Atomic Theory III Wave-particle duality and the electron
- Atomic Theory IV Quantum numbers and orbitals
- Carbohydrates Simple sugars and complex carbohydrates
- Carbon Chemistry Simple hydrocarbons, isomers, and functional groups
- Chemical Bonding Ionic and covalent bonds and polarity
- Chemical Equations Using shorthand to show balanced reactions
- Chemical Reactions Types of reactions and the laws that govern them
- Defining Energy Forms of energy, conversions, and measuring
- Defining Minerals Composition and crystal structure
- Density and Buoyancy Definitions and units
- Diffusion I Random molecular movement and influences on diffusion rate
- DNA I The genetic material
- DNA II The structure of DNA
- Early Ideas about Matter From Democritus to Dalton
- Earth's Atmosphere Composition, temperature, and pressure
- Energy Metabolism I Glycolosis and the Krebs cycle
- Energy Metabolism II The Generation of ATP
- Fats and Proteins Structure and function of essential nutrients
- Franklin Chang Díaz Propulsion pioneer for future generations of astronauts
- Gene Expression Enzymes and hereditary conditions
- History of Earth's Atmosphere I The origin of the modern atmosphere
- History of Earth's Atmosphere II The rise of atmospheric oxygen
- Lipids Composition, structure, and function
- Membranes I Structure and function of biological membranes
- Modeling in Scientific Research Simplifying a system to make predictions
- Nuclear Chemistry Radiation, half-life, and nuclear reactions
- Nuclear Chemistry I Radiation, half-life, and nuclear reactions
- Origins of Life I Early ideas and experiments
- Origins of Life II Primeval environments and the origins of RNA
- Percy Lavon Julian Revolutionizing medical treatment through chemical synthesis
- Photosynthesis I Harnessing the energy of the sun
- Properties of Gases The gas laws and the ideal gas equation
- Properties of Liquids Intermolecular forces, cohesion, adhesion, and viscosity
- Properties of Solids The influence of crystal structure on behavior
- Scientific Ethics Ethical standards and their implications
- Scientific Notation Working with orders of magnitude
- Solutions Molarity, solubility, and colligative properties
- States of Matter Kinetic molecular theory and phase transitions
- Substances Pure substances and mixtures
- The Nitrogen Cycle Of microbes and men
- The Periodic Table of Elements I The periodic table
- The Periodic Table of Elements II History and development
- The Periodic Table of Elements III Electron configuration
- The Periodic Table of Elements IV Chemical families
- The Periodic Table of Elements V Periodicity
- The Phosphorus Cycle Phosphates and fertilizer
- The Silicate Minerals The silica tetrahedron and Earth's most common minerals
- Using Graphs and Visual Data in Science Reading and interpreting graphs
- Water Properties and behavior
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