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Atoms
441 free resources tagged Atoms: tools, labs, worksheets, cheat sheets, and infographics.
Tools
Physics Radioactive Decay Simulator Chemistry Periodic Table Explorer Chemistry Molar Mass & Stoichiometry Calculator Chemistry Balance Chemical Equations Chemistry Net Ionic Equation Builder Chemistry Electron Configuration Generator Chemistry Mole Converter & Gas Stoichiometry Chemistry Lewis Dot Structure Builder Chemistry Oxidation-Reduction (Redox) Calculator Chemistry Nuclear Decay Chain Calculator Physics Hydrogen Atom Orbital Viewer Chemistry Electronegativity & Bond Polarity Calculator Chemistry Molecular Geometry 3D Viewer Earth Science Spectroscopy & Redshift Explorer Earth Science Plate Tectonics Explorer Physics States of Matter Playground Chemistry Matter Particles & Mixing Explorer Chemistry States of Matter Sorter Chemistry Periodic Table Families Explorer Chemistry Mixtures vs Compounds Explorer Chemistry Atoms, Molecules & Ions Builder Chemistry Conservation of Mass Lab Chemistry Chemical Bonding Intro Lab Chemistry Crystal Lattice Viewer
Labs
Physics Brownian Motion Lab Chemistry Atomic Emission Lab Physics Radiation Shielding & Half-Value Layer Lab Chemistry Reaction Types Lab Chemistry Solubility & Ksp Lab Earth Science Earth History Lab Physics Atomic Orbitals Lab Earth Science Spectroscopy, Redshift & Hubble Law Lab Earth Science Reversible vs Irreversible Changes Lab Chemistry Chemical Reactions Lab Chemistry Molecular Orbital Visualizer
Worksheets
Chemistry Science: Atoms Elements and the Periodic Table Chemistry Science: Chemical Reactions and Balancing Equations Chemistry Science: Properties of Matter Chemistry Science: Periodic Table Trends Chemistry Science: Balancing Chemical Equations Chemistry Science: Stoichiometry Calculations Chemistry Science: pH Scale and Acids and Bases Chemistry Science: Atomic Structure and Electron Configuration Chemistry Chemical Bonding: Ionic and Covalent Physics Science: Nuclear Physics and Radioactivity Chemistry Science: Naming Chemical Compounds Chemistry Science: Organic Chemistry: Functional Groups and Reactions Chemistry Science: The Mole and Avogadros Number Chemistry Science: Types of Chemical Reactions Astronomy Astronomy: The Life Cycle of Stars Chemistry Chemistry: Kinetics: Reaction Rates and Activation Energy Chemistry Chemistry: Nuclear Chemistry: Fission, Fusion, and Decay Science Science: Solids, Liquids, and Gases Earth Science Earth Science: Soil: Layers and Composition Chemistry Chemistry: What Is Matter? Atoms and Molecules Chemistry Chemical Reactions: Signs and Types Chemistry Chemistry: Conservation of Mass in Reactions Chemistry Chemistry: Covalent Bonding and Molecular Geometry (VSEPR) Chemistry Chemistry: Elements, Compounds, and Mixtures Chemistry Chemistry: Introduction to the Periodic Table Chemistry Chemistry: Ionic Bonding and Lattice Structures Chemistry Chemistry: Organic Chemistry: Nomenclature and Isomers Chemistry Chemistry: Periodic Trends: Atomic Radius, Ionization Energy Chemistry Chemistry: Physical vs Chemical Changes Chemistry Chemistry: Quantum Mechanical Model of the Atom Astronomy Astronomy: Stellar Nucleosynthesis: Where Elements Come From Science Solids, Liquids, and Gases Picture Sorting Chemistry Chemistry: AP Chemistry: Spectroscopy and Beer-Lambert Law Chemistry Chemistry: Atoms, Molecules, and Compounds: Building Blocks Chemistry Chemistry: Organic Chemistry: Polymerization Reactions Chemistry Chemistry: Reading the Periodic Table: Groups and Periods Chemistry Chemistry: States of Matter and Particle Models Science Static Electricity: Balloons, Hair, and Charges Physics Physics: Standard Model of Particle Physics Chemistry Chemistry: Green Chemistry: Atom Economy and Safer Solvents Chemistry Chemistry: Materials Chemistry: Ceramics, Alloys, and Composites Chemistry Chemistry: Solubility Rules and Precipitation Reactions Chemistry Chemistry: Cation Carries a Positive Charge Practice Chemistry Chemistry: Electron Transfer in Redox Reactions (LEO Says GER) Practice Chemistry Chemistry: Polar Solvents Dissolve Polar Solutes and Nonpolar Solvents Dissolve Nonpolar Solutes Practice Chemistry Chemistry: Seven Diatomic Elements Practice Chemistry Chemistry: What Oxidation and Reduction Mean in Redox Reactions (OIL RIG) Practice
Cheat Sheets
Physics Modern Physics & Quantum Concepts Physics Nuclear Physics & Radioactivity Physics Photoelectric Effect Reference Physics Thermodynamics and Statistical Mechanics Physics Larmor Precession Reference Physics Mass-Energy Equivalence Worked Examples Physics Quantum Numbers & Atomic Orbitals Reference Physics Bohr Model and Hydrogen Spectra Worked Examples Physics de Broglie Wavelength and Matter Waves Worked Examples Physics Nuclear Binding Energy and Mass Defect Worked Examples Physics Radioactive Decay and Half Life Worked Examples Chemistry Atomic Structure & Periodic Trends Chemistry Chemical Bonding & Molecular Geometry Chemistry Stoichiometry & Molar Mass Chemistry Chemical Naming & Formulas Chemistry Organic Chemistry Basics Chemistry IUPAC Naming Rules Chemistry Polyatomic Ions Reference Chemistry Spectroscopy (IR, NMR, Mass Spec) Chemistry Activity Series of Metals Chemistry Common Reagents in Organic Synthesis Chemistry Lewis Structures & Resonance Chemistry Orbital Hybridization Reference Chemistry Solubility Rules Reference Chemistry VSEPR Molecular Geometry Reference Chemistry Common Cations & Anions Master Chart Chemistry Coordination Chemistry & Ligands Chemistry Crystal Structure Types (BCC, FCC, HCP) Chemistry Periodic Table Trends Visual Master Chemistry Quantum Numbers & Electron Configuration Chemistry AP Chem Big Ideas Summary Chemistry General Chemistry Stoichiometry and Solutions Chemistry Organic Chemistry I Reaction Mechanisms Chemistry 2D NMR (COSY, HSQC, HMBC) Reference Chemistry Atomic Orbital Filling Diagram Reference Chemistry Common Inorganic Reactions Reference Chemistry Coordination Compounds & Crystal Field Theory Chemistry Crystallography & Miller Indices Reference Chemistry Diels-Alder Reaction Reference Chemistry Effective Nuclear Charge & Shielding Reference Chemistry Ligand Field Spectra & Color Reference Chemistry Mass Spectrometry Fragmentation Reference Chemistry Nuclear Decay Chain Reference Chemistry Radiometric Dating Reference Chemistry Stereochemistry R/S & E/Z Reference Chemistry Wittig Reaction Reference Chemistry Balancing Chemical Equations Step-by-Step Chemistry Empirical vs Molecular Formula Chemistry Mole Conversion Roadmap Chemistry Five Types of Chemical Reactions Chemistry Half-Life Calculations Reference Chemistry Net Ionic Equations Reference Chemistry Periodic Table Groups & Families Chemistry Cation carries a positive charge Memory Aid Chemistry Electron transfer in redox reactions (LEO says GER) Memory Aid Chemistry Seven diatomic elements Memory Aid Chemistry What oxidation and reduction mean in redox reactions (OIL RIG) Memory Aid Chemistry Which electrode undergoes which reaction (AN OX, RED CAT) Memory Aid Chemistry Avogadro's Number and the Mole Concept Worked Examples Chemistry Enthalpy Change from Bond Energies Worked Examples Chemistry Free Radical Halogenation of Alkanes Reference Chemistry GCSE Combined Science Chemistry Core Formulas Chemistry Ionic vs Covalent Compound Properties Comparison Chemistry Percent Composition and Hydrate Formula Worked Examples Chemistry Balancing Redox Equations by Half-Reaction Method Chemistry Cis-Trans and Geometric Isomerism Reference Chemistry Electrolysis Quantitative Calculations Worked Examples Chemistry Metallic Bonding and Alloy Properties Reference Chemistry Oxidation Number Assignment Rules and Worked Examples Biology Levels of Biological Organization Earth Science Twelve Common Minerals Property Cards Earth Science Silicate Mineral Groups and Structures Science Matter and Materials Grade 2 Visual Astronomy Big Bang Timeline & Universe History Astronomy Stellar Spectral Classification (OBAFGKM) Astronomy Spectral Lines & Stellar Composition Astronomy Spectroscopic Notation & Stellar Types Astronomy Stellar Nucleosynthesis Reference Astronomy Stellar spectral classification sequence from hottest to coolest Memory Aid Environmental Science Air Pollutants & EPA Standards Environmental Science Biogeochemical Cycles Reference (C, N, P, S, H2O)
Infographics
Physics Magnets: Stick or Not Physics Marie Curie: Pioneer of Radioactivity Physics Niels Bohr: Pioneer of Atomic Theory Physics Werner Heisenberg: Father of Uncertainty Physics Ernest Rutherford: Discoverer of the Atomic Nucleus Physics Erwin Schrodinger: Architect of Quantum Wave Mechanics Physics Enrico Fermi: Architect of the Nuclear Age Physics J. Robert Oppenheimer: Father of the Atomic Bomb Physics The Photoelectric Effect Physics How Nuclear Power Plants Work Physics Physics: Thermal Expansion Physics Physics: Absolute Zero and Temperature Scales Physics Physics: Coulomb's Law Physics Physics: Magnetic Materials and Domains Physics Physics: Wave-Particle Duality Physics Physics: The de Broglie Wavelength Physics Physics: The Bohr Model and Atomic Spectra Physics Physics: Quantum Tunneling Physics Physics: Quantum Spin Physics Physics: The Pauli Exclusion Principle Physics Physics: Atomic Models Through History Physics Physics: Types of Radioactive Decay Physics Physics: Half-Life and Radiometric Dating Physics Physics: Nuclear Binding Energy Physics Physics: Nuclear Fission Physics Physics: Nuclear Fusion Physics Physics: The Standard Model Physics Physics: Quarks and Leptons Physics Physics: The Four Fundamental Forces Physics Physics: Antimatter Physics Physics: Particle Accelerators Physics Physics: The Mass Defect and E equals mc squared Physics Physics: Radiation Detection and Dosimetry Physics Physics: The Life Cycle of Stars Physics Physics: Electric Charge and Conservation Physics Physics: Conductors vs Insulators Physics Physics: Charging by Friction, Conduction, and Induction Physics Physics: The Mass Spectrometer Physics Physics: X-Ray Production Physics Physics: Lasers and Stimulated Emission Physics Physics: Semiconductors and the PN Junction Biology Biology: The Carbon Cycle Biology Biology: The Phosphorus Cycle Biology Biology: Decomposers and Nutrient Recycling Biology Biology: Carbohydrates Biology Biology: Levels of Biological Organization Chemistry Balancing Chemical Equations (Complete) Chemistry Types of Chemical Reactions Chemistry Electron Configuration Chemistry Redox Reactions Chemistry Solutions & Concentration Chemistry Stoichiometry (Full) Chemistry Stoichiometry Roadmap Chemistry States of Matter Chemistry Mixing Things Chemistry Air Is Something Chemistry Periodic Table Trends Chemistry Atomic Structure Chemistry Chemical Bonding Chemistry The pH Scale Chemistry Atomic Structure Chemistry Periodic Table Basics Chemistry Chemical Bonding Chemistry Lewis Dot Structures Chemistry States of Matter (Including Plasma) Chemistry Balancing Chemical Equations Chemistry Mole Concept (Visual Conversions) Chemistry Balancing Chemical Equations Chemistry Molecular Geometry and VSEPR Chemistry Stoichiometry Roadmap Chemistry Solubility and Ksp Chemistry Nuclear Chemistry Chemistry Organic Chemistry Functional Groups Chemistry Coordination Chemistry Chemistry Physical vs Chemical Properties & Changes Chemistry Mixtures vs Pure Substances Chemistry Isotopes & Ions Chemistry Dmitri Mendeleev: Creator of the Periodic Table Chemistry Antoine Lavoisier: Father of Modern Chemistry Chemistry Linus Pauling: Architect of the Chemical Bond Chemistry John Dalton: Father of Atomic Theory Chemistry Amedeo Avogadro: Molecular Theory Pioneer Chemistry Robert Boyle: Founder of Modern Chemistry Chemistry Rosalind Franklin: Pioneer of X-Ray Crystallography Chemistry Gilbert Lewis: Pioneer of Covalent Bonding Chemistry Atomic Structure Chemistry Bonding Chemistry Stoichiometry Chemistry Acids and Bases at a Glance Chemistry The Chemistry of Fireworks Colors Chemistry How Gasoline Stores Chemical Energy Chemistry Chemistry: Density and Specific Gravity Chemistry Chemistry: Percent Composition Chemistry Chemistry: Empirical vs Molecular Formula Chemistry Chemistry: The Mole Ratio in Reactions Chemistry Chemistry: Limiting Reactant and Percent Yield Chemistry Chemistry: Hydrates and Water of Crystallization Chemistry Chemistry: Naming Ionic Compounds Chemistry Chemistry: Naming Covalent Compounds Chemistry Chemistry: Naming Acids Chemistry Chemistry: Polyatomic Ions Reference Chemistry Chemistry: Oxidation Numbers Chemistry Chemistry: Net Ionic Equations Chemistry Chemistry: Precipitation Reactions Chemistry Chemistry: Solubility Rules Chemistry Chemistry: The Activity Series of Metals Chemistry Chemistry: Combustion Analysis Chemistry Chemistry: Quantum Numbers Chemistry Chemistry: Atomic Orbital Shapes Chemistry Chemistry: Aufbau, Pauli, and Hund's Rules Chemistry Chemistry: Bohr Model vs Quantum Model Chemistry Chemistry: Atomic Emission Spectra Chemistry Chemistry: Effective Nuclear Charge and Shielding Chemistry Chemistry: Ionization Energy Chemistry Chemistry: Electronegativity and Bond Polarity Chemistry Chemistry: Atomic and Ionic Radius Chemistry Chemistry: Electron Affinity Chemistry Chemistry: Photoelectron Spectroscopy Chemistry Chemistry: Isotopes and Average Atomic Mass Chemistry Chemistry: The Wave Nature of Electrons Chemistry Chemistry: VSEPR Theory Chemistry Chemistry: Orbital Hybridization Chemistry Chemistry: Sigma and Pi Bonds Chemistry Chemistry: Molecular Orbital Theory Chemistry Chemistry: Resonance Structures Chemistry Chemistry: Formal Charge Chemistry Chemistry: Bond Energy and Bond Length Chemistry Chemistry: Dipole Moments and Polarity Chemistry Chemistry: Lattice Energy and the Born-Haber Cycle Chemistry Chemistry: Ionic Crystal Structures Chemistry Chemistry: Metallic Bonding Chemistry Chemistry: Network Covalent Solids Chemistry Chemistry: Hydrogen Bonding Chemistry Chemistry: Coordinate Covalent Bonds Chemistry Chemistry: Drawing Lewis Structures Step by Step Chemistry Chemistry: Exceptions to the Octet Rule Chemistry Chemistry: Bond Enthalpy Calculations Chemistry Chemistry: Collision Theory Chemistry Chemistry: Reaction Mechanisms Chemistry Chemistry: The Reaction Quotient Q Chemistry Chemistry: Ksp and Molar Solubility Chemistry Chemistry: Three Acid-Base Theories Chemistry Chemistry: Polyprotic Acids Chemistry Chemistry: Conjugate Acid-Base Pairs Chemistry Chemistry: Amphoteric Substances Chemistry Chemistry: Oxidation and Reduction Half-Reactions Chemistry Chemistry: Balancing Redox Reactions Chemistry Chemistry: Electrolysis and Faraday's Laws Chemistry Chemistry: IUPAC Nomenclature of Organic Compounds Chemistry Chemistry: Structural Isomers Chemistry Chemistry: Stereochemistry and Chirality Chemistry Chemistry: Cis-Trans Isomerism Chemistry Chemistry: Newman Projections and Conformations Chemistry Chemistry: Alcohols and Ethers Chemistry Chemistry: Aldehydes and Ketones Chemistry Chemistry: Carboxylic Acids and Esters Chemistry Chemistry: Aromatic Compounds and Benzene Chemistry Chemistry: Aromaticity and Huckel's Rule Chemistry Chemistry: SN1 and SN2 Reactions Chemistry Chemistry: Addition Reactions of Alkenes Chemistry Chemistry: Carbocation Stability Chemistry Chemistry: Curved Arrow Notation Chemistry Chemistry: Oxidation of Alcohols Chemistry Chemistry: Grignard Reagents Chemistry Chemistry: Electrophilic Aromatic Substitution Chemistry Chemistry: Functional Group Reactivity Chemistry Chemistry: Saturated vs Unsaturated Compounds Chemistry Chemistry: Free Radical Halogenation Chemistry Chemistry: Resonance in Organic Molecules Chemistry Chemistry: Nucleophiles and Electrophiles Chemistry Chemistry: Alkyl Halides Chemistry Chemistry: Carbonyl Addition Reactions Chemistry Chemistry: Diels-Alder Reaction Chemistry Chemistry: Organic Functional Group Tests Chemistry Chemistry: Stereoisomers vs Constitutional Isomers Chemistry Chemistry: Mass Spectrometry Chemistry Chemistry: Infrared (IR) Spectroscopy Chemistry Chemistry: NMR Spectroscopy Chemistry Chemistry: UV-Vis Spectroscopy Chemistry Chemistry: Flame Tests Chemistry Chemistry: Qualitative Analysis of Ions Chemistry Chemistry: Gravimetric Analysis Chemistry Chemistry: Nucleic Acids Chemistry Chemistry: Chirality in Biomolecules Chemistry Chemistry: Types of Radioactive Decay Chemistry Chemistry: Balancing Nuclear Equations Chemistry Chemistry: Half-Life and Radioactive Dating Chemistry Chemistry: Nuclear Fission Chemistry Chemistry: Nuclear Fusion Chemistry Chemistry: The Band of Stability Chemistry Chemistry: Mass-Energy and Binding Energy Chemistry Chemistry: Radiation Detection and Units Chemistry Chemistry: The Dissolving Process Chemistry Chemistry: Colloids and Suspensions Chemistry Chemistry: Kinetic Molecular Theory of Gases Chemistry Chemistry: Periodic Table Families Chemistry Chemistry: Metals, Nonmetals, and Metalloids Chemistry Chemistry: Transition Metals Chemistry Chemistry: Allotropes Chemistry Chemistry: The Noble Gases Chemistry Chemistry: Periodicity of Properties Geometry Geometry: Density, Mass, and Volume Geometry Geometry: Sphere Packing Earth Science Star Lifecycle Earth Science What Causes Auroras Engineering Materials Engineering: Metals, Polymers, Ceramics, and Composites Engineering Engineering: Crystal Structures Engineering Engineering: Ceramics and Their Properties Engineering Engineering: Steel Alloys and Carbon Content Engineering Engineering: Grain Size and the Hall-Petch Relation Engineering Engineering: Thermal Properties of Materials Engineering Engineering: Semiconductors and Doping Astronomy The Big Bang and Universe Timeline Astronomy The Scale of the Universe Astronomy The Big Bang Theory Astronomy How Stars Are Born Environmental Science Carbon, Nitrogen, and Phosphorus Cycles Environmental Science How E-Waste Is Recycled Chemistry Solids, Liquids, and Gases Early Learners Early Learners: Compound Words Early Learners Early Learners: Rocks and Soil Early Learners Early Learners: Solids and Liquids Health Minerals Your Body Needs Health Calcium and Strong Bones Foreign Languages Latin Roots Foreign Languages Greek Roots in English School Projects Science Project Ideas Using Kitchen Materials School Projects Static Electricity Investigation School Projects Grow Salt Crystals at Home School Projects Elephant Toothpaste Reaction School Projects Periodic Table Element Research Poster School Projects Exponential Growth and Decay Project School Projects Electrolysis of Water Demonstration Project School Projects Baking Soda and Vinegar Volcano Experiment School Projects Grow a Crystal Garden School Projects The Balloon and Static Electricity Astronautics Astronautics: Radioisotope Power Astronautics Astronautics: Radiation-Hardened Computers Astronautics Astronautics: Radiation Risk to Astronauts Astronautics Astronautics: The Vacuum of Space Astronautics Astronautics: Fusion Propulsion Astronautics Astronautics: Antimatter Propulsion Astronautics Astronautics: Nuclear Electric Propulsion Medical Technology Medical Technology: SPECT and the Gamma Camera Medical Technology Medical Technology: Medical Mass Spectrometry Medical Technology Medical Technology: Nanomedicine Medical Technology Medical Technology: How X-Rays Create Images Renewable Energy Machines Renewable Energy Machines: Sodium-Ion Batteries Renewable Energy Machines Renewable Energy Machines: How Solar Cells Are Made Ships and Submarines Ships and Submarines: The Nuclear Submarine Reactor Ships and Submarines Ships and Submarines: Nuclear Marine Propulsion Ships and Submarines Ships and Submarines: Naval Reactor Safety Career Exploration Career Exploration: What Does a Chemist Do? Career Exploration Career Exploration: What Does a Physicist Do? Career Exploration Career Exploration: What Does a Materials Scientist Do? Career Exploration Career Exploration: What Does a Particle Physicist Do? Career Exploration Career Exploration: What Does a Biophysicist Do? Career Exploration Career Exploration: What Does a Nanotechnologist Do? Career Exploration Career Exploration: What Does a Quantum Physicist Do? Career Exploration Career Exploration: What Does a Chemical Engineer Do? Career Exploration Career Exploration: What Does a Nuclear Engineer Do? Career Exploration Career Exploration: What Does a Materials Engineer Do? Nutrition & Food Science Nutrition & Food Science: Minerals in Your Diet Dinosaurs & Paleontology Dinosaurs & Paleontology: Permineralization Explained Dinosaurs & Paleontology Dinosaurs & Paleontology: Radiometric Dating Chemistry Chemistry: What oxidation and reduction mean in redox reactions (OIL RIG) Chemistry Chemistry: Electron transfer in redox reactions (LEO says GER) Chemistry Chemistry: Seven diatomic elements Chemistry Chemistry: Cation carries a positive charge Astronomy Astronomy: Stellar spectral classification sequence from hottest to coolest Automotive Technology Automotive Technology: How a Catalytic Converter Works Astronomy Astronomy: Uranus and Neptune Astronomy Astronomy: Nebulae